1. Language identity and location

ANLHE New Ireland and Solomon Islands classification audit (November 2026): Lavatbura-Lamusong (ISO 639-3 lbv; Glottocode lava1239) is one catalogued Oceanic language of New Ireland, within the Madak grouping in historical comparative classification. The two place names in this compound designation should not be automatically counted as two independent ISO-coded languages. Its data must not be replaced with the separate Barok or Madak descriptions. Comparative language documentation.

Lavatbura-Lamusong is documented in New Ireland Province, Papua New Guinea. The ISO 639-3 language identifier is lbv. This identifier is bibliographic metadata, not a word in the language. Related Oceanic languages should not be conflated. Community and regional designations must be checked against named documentation.

2. Documentary chronology and historical sources

Lavatbura-Lamusong is an Oceanic language identified as a separate language in the SIL Papua New Guinea and Glottolog resources. A documentation project beginning in November 2023 pairs it with Konomala for fieldwork, audiovisual archiving and the analysis of language change. The project names Lavatbura and Lamusong together and gives a historical working estimate of about 1,300 speakers. Publicly accessible project summaries alone do not provide an independently verified grammatical paradigm or exact pronunciation guide.

Dates of the language’s historical existence, a researcher’s fieldwork, a manuscript’s creation and a published edition must remain separately recorded. Where a source notes historical counts, it must not be projected into a present-day demographic statement.

3. Alphabet, pronunciation and orthographic evidence

Any alphabet, consonant chart, vowel inventory or tone and stress statement must be established from actual fieldwork recordings or archived transcriptions; the catalogued language name and ISO code cannot substitute for such evidence. The research plan distinguishes metadata, primary recordings and future descriptive analysis.

Source original spelling, phonetic transcription, morpheme segmentation and modern community orthography are not interchangeable. No independently attested ancient writing system can be concluded from a modern Roman-script edition.

4. Grammar and complete-clause interpretation

Current publicly described resources establish the project’s documentary scope but not the full syntax. Noun phrases, grammatical relations, pronominal number, negation and verb structures are therefore explicit source-collection and analysis questions rather than invented facts. Students should also distinguish Lavatbura and Lamusong variation only when supported by actual speaker or site metadata.

Research should foreground original clauses and morphosyntactic context. Any future phrasebook or conjugation tables must contain individually verifiable source examples; stylistic similarity to a related language is not evidence.

5. Documented lexical examples and metadata distinctions

The items below are limited and explicitly qualified by source type. They do not imply a complete teaching vocabulary or permission to generate unattested original-language sentences.

• lbv: ISO 639-3 identifier only.
• lava1239: Glottocode identifier only.
• Lavatbura: component community name documented by the combined language designation.
• Lamusong: component community name documented by the combined language designation.

Before extending these examples, check exact historical orthography, semantic context, collector attribution and any rights restrictions on reproducing archived material.

6. Cultural, social and community contexts

The documentation project aims to preserve different speech genres and to study possible language shift under Tok Pisin contact. Differences in age, place, genre and speaker agency should be recorded without presupposing a uniform loss of transmission in every settlement.

Respect community intellectual authority and differences among regional varieties. The documentation record gives partial observations in particular places and decades; it is not an exhaustive or fixed picture of community life.

7. Identifiable academic and documentary sources

1. ELDP documentation project: Lavatbura-Lamusong and Konomala. https://cultureincrisis.org/projects/documentation-of-two-oceanic-languages-of-new-ireland-lavatbura-lamusong-and-konomala
2. SIL PNG language listing: Lavatbura-Lamusong. https://pnglanguages.sil.org/resources/languages/language/lbv
3. Glottolog 5.3: Lavatbura-Lamusong. https://glottolog.org/resource/languoid/id/lava1239

Bibliographic links identify the cited documents but do not guarantee the availability of complete original recordings or authorize unattributed quotation. Future finished lessons must cite precise source pages, entries or media timestamps.

8. Ninety individually titled source-led lessons

Nine modules contain ten lessons each. Every item specifies a topic and an evidence-oriented task. Grammar categories unsupported by primary sources are presented as investigations, not as invented paradigms.

Module 1: Homeland, naming and linguistic history — Lessons 1–10

Language-specific research anchor: Lavatbura-Lamusong classification. Complementary case: Lavatbura locality. Preserve all original phonetic and orthographic signs and the exact document date.

1. Lesson 1: Local designation and source spellings — Lavatbura-Lamusong classification. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
2. Lesson 2: Historical place names and geographic distribution — Lavatbura locality. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
3. Lesson 3: Oceanic language classification — Lamusong locality. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
4. Lesson 4: Neighboring languages and source-limited comparison — Glottolog and SIL metadata. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
5. Lesson 5: Chronology of dated records — ELDP 2023 fieldwork. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
6. Lesson 6: Researchers and community collaborators — intergenerational speech. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
7. Lesson 7: Differences among archival editions — audio-video corpus. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
8. Lesson 8: Internal diversity and locality labels — Tok Pisin influence. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
9. Lesson 9: Historical contact and language ecology — primary transcript annotation. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
10. Lesson 10: Bibliographic source register — source gaps and ethics. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.

Module 2: Orthography, alphabet and phonology — Lessons 11–20

Language-specific research anchor: Lavatbura locality. Complementary case: Lamusong locality. Preserve all original phonetic and orthographic signs and the exact document date.

11. Lesson 11: Documented graphemes — Lavatbura locality. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
12. Lesson 12: Consonant contrasts in primary sources — Lamusong locality. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
13. Lesson 13: Vowel qualities in attested records — Glottolog and SIL metadata. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
14. Lesson 14: Length and gemination evidence — ELDP 2023 fieldwork. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
15. Lesson 15: Syllable organization — intergenerational speech. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
16. Lesson 16: Stress and prosody in recordings — audio-video corpus. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
17. Lesson 17: Variation among orthographic sources — Tok Pisin influence. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
18. Lesson 18: IPA compared with community spelling — primary transcript annotation. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
19. Lesson 19: Recording to transcription cross-check — source gaps and ethics. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
20. Lesson 20: Pronunciation evidence portfolio — Lavatbura-Lamusong classification. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.

Module 3: Vocabulary and semantics — Lessons 21–30

Language-specific research anchor: Lamusong locality. Complementary case: Glottolog and SIL metadata. Preserve all original phonetic and orthographic signs and the exact document date.

21. Lesson 21: Attested lexicon collection — Lamusong locality. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
22. Lesson 22: Family and kinship terminology — Glottolog and SIL metadata. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
23. Lesson 23: Body-part vocabulary — ELDP 2023 fieldwork. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
24. Lesson 24: Local place and landscape terminology — intergenerational speech. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
25. Lesson 25: Sea and freshwater ecology — audio-video corpus. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
26. Lesson 26: Food, cultivation and subsistence — Tok Pisin influence. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
27. Lesson 27: Movement and direction — primary transcript annotation. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
28. Lesson 28: Numerals and classifiers — source gaps and ethics. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
29. Lesson 29: Loanwords and semantic change — Lavatbura-Lamusong classification. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
30. Lesson 30: Ten fully referenced vocabulary entries — Lavatbura locality. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.

Module 4: Pronouns and nominal constructions — Lessons 31–40

Language-specific research anchor: Glottolog and SIL metadata. Complementary case: ELDP 2023 fieldwork. Preserve all original phonetic and orthographic signs and the exact document date.

31. Lesson 31: Personal reference and person categories — Glottolog and SIL metadata. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
32. Lesson 32: Singular patterns in context — ELDP 2023 fieldwork. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
33. Lesson 33: Dual reference where attested — intergenerational speech. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
34. Lesson 34: Trial, paucal or quadral where attested — audio-video corpus. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
35. Lesson 35: Plural and inclusive distinctions — Tok Pisin influence. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
36. Lesson 36: Determiners and noun phrase structure — primary transcript annotation. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
37. Lesson 37: Possessive relations — source gaps and ethics. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
38. Lesson 38: Kinship and inalienability evidence — Lavatbura-Lamusong classification. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
39. Lesson 39: Demonstrative and deictic forms — Lavatbura locality. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
40. Lesson 40: Annotated nominal passage — Lamusong locality. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.

Module 5: Verbs, predicates and grammar — Lessons 41–50

Language-specific research anchor: ELDP 2023 fieldwork. Complementary case: intergenerational speech. Preserve all original phonetic and orthographic signs and the exact document date.

41. Lesson 41: Verb identification and morphosyntax — ELDP 2023 fieldwork. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
42. Lesson 42: Transitive versus intransitive constructions — intergenerational speech. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
43. Lesson 43: Argument expression — audio-video corpus. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
44. Lesson 44: Temporal reference — Tok Pisin influence. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
45. Lesson 45: Aspect and mood — primary transcript annotation. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
46. Lesson 46: Negation — source gaps and ethics. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
47. Lesson 47: Interrogative sentences — Lavatbura-Lamusong classification. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
48. Lesson 48: Commands and requests — Lavatbura locality. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
49. Lesson 49: Complex and dependent clauses — Lamusong locality. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
50. Lesson 50: Attested sentence analysis — Glottolog and SIL metadata. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.

Module 6: Original texts and interpretation — Lessons 51–60

Language-specific research anchor: intergenerational speech. Complementary case: audio-video corpus. Preserve all original phonetic and orthographic signs and the exact document date.

51. Lesson 51: Selecting an archive recording or text — intergenerational speech. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
52. Lesson 52: Identifying speaker, genre and collection date — audio-video corpus. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
53. Lesson 53: Exact original orthographic transcription — Tok Pisin influence. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
54. Lesson 54: Word-by-word segmentation — primary transcript annotation. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
55. Lesson 55: Grammatical annotation — source gaps and ethics. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
56. Lesson 56: Literal translation boundaries — Lavatbura-Lamusong classification. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
57. Lesson 57: Idiomatic translation and pragmatics — Lavatbura locality. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
58. Lesson 58: Discourse organization — Lamusong locality. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
59. Lesson 59: Cultural and social context — Glottolog and SIL metadata. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
60. Lesson 60: Scholarly text commentary — ELDP 2023 fieldwork. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.

Module 7: Historical linguistics and contact — Lessons 61–70

Language-specific research anchor: audio-video corpus. Complementary case: Tok Pisin influence. Preserve all original phonetic and orthographic signs and the exact document date.

61. Lesson 61: Evidence for Oceanic cognates — audio-video corpus. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
62. Lesson 62: Sound correspondences — Tok Pisin influence. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
63. Lesson 63: Borrowing diagnostics — primary transcript annotation. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
64. Lesson 64: Dialect comparison — source gaps and ethics. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
65. Lesson 65: Language contact with Tok Pisin — Lavatbura-Lamusong classification. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
66. Lesson 66: Change in recorded phonetics — Lavatbura locality. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
67. Lesson 67: Older versus newer grammar terminology — Lamusong locality. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
68. Lesson 68: Uncertainty in linguistic classification — Glottolog and SIL metadata. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
69. Lesson 69: Claims about transmission over time — ELDP 2023 fieldwork. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
70. Lesson 70: Historically grounded comparative report — intergenerational speech. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.

Module 8: Community, living practice and ethics — Lessons 71–80

Language-specific research anchor: Tok Pisin influence. Complementary case: primary transcript annotation. Preserve all original phonetic and orthographic signs and the exact document date.

71. Lesson 71: Speaker identity and intellectual credit — Tok Pisin influence. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
72. Lesson 72: Respectful use of local names — primary transcript annotation. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
73. Lesson 73: Community-controlled knowledge — source gaps and ethics. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
74. Lesson 74: Traditional land and sea knowledge — Lavatbura-Lamusong classification. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
75. Lesson 75: Multilingual social networks — Lavatbura locality. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
76. Lesson 76: Language in childhood and education — Lamusong locality. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
77. Lesson 77: Consent for recordings and examples — Glottolog and SIL metadata. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
78. Lesson 78: Restricted or sensitive narratives — ELDP 2023 fieldwork. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
79. Lesson 79: Collaborative transcription correction — intergenerational speech. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
80. Lesson 80: Sustainable archive and community access — audio-video corpus. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.

Module 9: Advanced research portfolio — Lessons 81–90

Language-specific research anchor: primary transcript annotation. Complementary case: source gaps and ethics. Preserve all original phonetic and orthographic signs and the exact document date.

81. Lesson 81: Verify primary-source bibliography — primary transcript annotation. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
82. Lesson 82: Compose an orthography concordance — source gaps and ethics. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
83. Lesson 83: Build a phonological evidence table — Lavatbura-Lamusong classification. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
84. Lesson 84: Create the cited mini-lexicon — Lavatbura locality. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
85. Lesson 85: Evaluate pronominal evidence — Lamusong locality. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
86. Lesson 86: Analyze one attested construction — Glottolog and SIL metadata. Contrast the linguistic hypothesis against an actual fieldnote, dictionary entry or passage. Do not supply a paradigm inferred from a neighboring language. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
87. Lesson 87: Publish an annotated text excerpt with permission — ELDP 2023 fieldwork. Prepare a two-column observation and interpretation table; label the source year, local variety and uncertainty of each claim. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
88. Lesson 88: Compare one historical and recent source — intergenerational speech. Where sources are insufficient, specify the exact recording, speaker consultation or document needed to investigate the feature, rather than pretending it is already known. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
89. Lesson 89: Prepare community-feedback protocol — audio-video corpus. Explain the role of this feature within a source-specific historical or cultural context; finish with a falsifiable research question. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.
90. Lesson 90: Submit final 90-lesson research dossier — Tok Pisin influence. Consult the language-specific named witness. Copy only an attested short item, recording its source location, transcription convention and exact English gloss; explain what the item establishes. Assessment: verified documentary reference, original commentary and a statement distinguishing secure observations from unresolved questions.

9. Editorial and research integrity

This is an original encyclopedic profile and a ninety-objective documentary curriculum. It is not a claim that ninety complete bilingual chapters or lectures have been produced. No invented ancient alphabets, unsupported quotations, speculative current speaker totals or plausible but unattested native sentences are represented as verified. Expanded lesson texts should be reviewed against cited pages and, where possible, by community language experts.