1. Language identity, language family and local geography

ANLHE Micronesia and New Ireland taxonomy audit (November 2026): Tungag, also known as Lavongai, is an Oceanic Austronesian language of New Hanover, Papua New Guinea. Karin Fast’s 2015 study examines the language using geographically localized recordings and written texts from southwestern Lavongai. The names Tungag, Tungak, Dang and Lavongai may refer to this language, rather than four separately identifiable ISO-coded languages. Source for comparative classification.

Tungag (Lavongai) is documented in Lavongai Island and surrounding islands in New Ireland Province, Papua New Guinea and classified as Austronesian, Oceanic, Western Oceanic, Lavongai–Nalik. Its bibliographic ISO 639-3 identifier is lcm. Geographic contact and shared linguistic ancestry should not be confused with identity of language or dialect.

2. Historical sources and chronology

Tungag, also called Tungak or Lavongai, has multiple named regional varieties. Beaumont’s 1986 edited Lavongai Materials document its description, while Beaumont and Lloyd’s historical wordlist is represented by 288 comparative datapoints in the Austronesian Basic Vocabulary Database. Karin Fast’s work addresses spatial language in Tungag, using a corpus from the island’s southwest; results must not automatically be generalized to every dialect.

Research dates and publishing dates are not dates of a language’s origin. Source speakers and editors have different intellectual contributions, and documented population numbers cannot be assumed valid for 2026.

3. Writing systems, alphabet and phonology

The Beaumont and Lloyd source contains comparative lexical forms. An ending or delimiter in a wordlist can represent segmentation rather than a pronounced hyphen; orthographic forms must be checked in the relevant descriptive source. Dialect differences deserve explicit labeling.

A transcribed spelling is not evidence for an independently documented ancient script. Preserve original vowel and consonant symbols, source punctuation and phonetic notation exactly when quoting source forms. Alphabet exercises must begin with the reference’s documented graphic inventory.

4. Grammar, grammatical meaning and sentence interpretation

For teaching authentic constructions, examine directionals, deictic or spatial expressions, motion events, possession, noun phrases and verbal morphology in cited sources. The spatial corpus provides a particularly useful way to discuss how shoreline, sea routes and local topography enter linguistic expression.

The encyclopedia distinguishes attested grammar from general Oceanic-language expectations. Students should work with complete authenticated clauses before offering translations, phrasebooks or morphological paradigms.

5. Documented lexicon and evidence-verified example method

A lexical example must identify the exact headword, recorded meaning, original spelling and local variety, with the page or archival entry. Unchecked plausible words are excluded. For a lesson on body parts, kinship, fishing, counting or spatial relations, extract and check the relevant form from Austronesian Basic Vocabulary Database: Tungag, Beaumont and Lloyd source, preserving the original orthography.

Every future original-language example should contain: attested native form; accurate contextual translation; source and date; dialect or variety; a clear phonological or grammatical teaching point; and a note where evidence is incomplete. This is a methodological requirement, not a fabricated bilingual dialogue.

6. Community, social history and ecology

The connection between settlement routes, fishing, island movement and local spatial reference is a documented research focus. Recorded source provenance, speaker location and genre are needed before attributing expressions to the full Tungag-speaking population.

Community scholarship and living speech must not be reduced to a single historical observer’s perspective. Cultural examples should attribute speakers and respect any restrictions on reuse of audio, ritual vocabulary or archival narrative.

7. Research bibliography and documentary witnesses

• Austronesian Basic Vocabulary Database: Tungag, Beaumont and Lloyd source. https://abvd.eva.mpg.de/austronesian/language.php?id=359
• Grambank and research evidence: Tungag identification. https://abvd.clld.org/languages/359
• Recent published ethnolinguistic account of Tungag varieties on Lavongai. https://onlinelibrary.wiley.com/doi/full/10.1111/taja.70064

References are supplied to make documentary claims auditable. Complete text excerpts must be checked in their source; listing a grammar does not license the creation of fake quotations.

8. Structure of ninety research lessons

Nine modules organize ninety separately numbered documentary exercises. The topics are teaching and research objectives; completion of the syllabus outline does not mean the ninety individual lessons already contain fully checked textbook treatments.

Module 1: Identity, chronology and primary documentary evidence — Lessons 1–10

Primary research focus: Lavongai geographic setting. Related evidence topic: Tungag and Tungak nomenclature. Use source-specific citations and preserve dialect and historical labels.

1. Lesson 1: Language names and endonyms — Lavongai geographic setting. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
2. Lesson 2: Geographic distribution — Tungag and Tungak nomenclature. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
3. Lesson 3: Genealogical placement — Beaumont’s Lavongai Materials. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
4. Lesson 4: Related versus distinct languages — Beaumont and Lloyd wordlist. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
5. Lesson 5: Earliest relevant publication — Rang Kapo regional variety. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
6. Lesson 6: Researchers and speakers — Puk Matas regional variety. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
7. Lesson 7: Documentary chronology — Rang Kate regional variety. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
8. Lesson 8: Dialect and register labels — spatial and direction terms. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
9. Lesson 9: Source bias — maritime movement language. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
10. Lesson 10: Verified bibliographic record — source-limited variation. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.

Module 2: Writing, phonetics and phonology — Lessons 11–20

Primary research focus: Tungag and Tungak nomenclature. Related evidence topic: Beaumont’s Lavongai Materials. Use source-specific citations and preserve dialect and historical labels.

11. Lesson 11: Source orthography — Tungag and Tungak nomenclature. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
12. Lesson 12: Consonant inventory — Beaumont’s Lavongai Materials. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
13. Lesson 13: Vowel inventory — Beaumont and Lloyd wordlist. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
14. Lesson 14: Syllable structure — Rang Kapo regional variety. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
15. Lesson 15: Length and stress — Puk Matas regional variety. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
16. Lesson 16: Allophony and phonemes — Rang Kate regional variety. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
17. Lesson 17: Transcription variability — spatial and direction terms. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
18. Lesson 18: Spelling and regional differences — maritime movement language. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
19. Lesson 19: Sound recording annotation — source-limited variation. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
20. Lesson 20: Evidence-based pronunciation guide — Lavongai geographic setting. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.

Module 3: Lexical documentation and semantics — Lessons 21–30

Primary research focus: Beaumont’s Lavongai Materials. Related evidence topic: Beaumont and Lloyd wordlist. Use source-specific citations and preserve dialect and historical labels.

21. Lesson 21: Primary lexical references — Beaumont’s Lavongai Materials. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
22. Lesson 22: Body and kinship vocabulary — Beaumont and Lloyd wordlist. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
23. Lesson 23: Seafaring and coastal life — Rang Kapo regional variety. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
24. Lesson 24: Ecology terminology — Puk Matas regional variety. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
25. Lesson 25: Domestic vocabulary — Rang Kate regional variety. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
26. Lesson 26: Numerals — spatial and direction terms. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
27. Lesson 27: Movement and direction — maritime movement language. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
28. Lesson 28: Contact loanwords — source-limited variation. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
29. Lesson 29: Polysemy and translation — Lavongai geographic setting. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
30. Lesson 30: Ten-entry citation portfolio — Tungag and Tungak nomenclature. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.

Module 4: Nominal grammar and reference — Lessons 31–40

Primary research focus: Beaumont and Lloyd wordlist. Related evidence topic: Rang Kapo regional variety. Use source-specific citations and preserve dialect and historical labels.

31. Lesson 31: Nominal classes — Beaumont and Lloyd wordlist. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
32. Lesson 32: Noun phrases — Rang Kapo regional variety. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
33. Lesson 33: Articles and determiners — Puk Matas regional variety. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
34. Lesson 34: Personal pronouns — Rang Kate regional variety. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
35. Lesson 35: Number distinctions — spatial and direction terms. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
36. Lesson 36: Possession and alienability — maritime movement language. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
37. Lesson 37: Demonstratives — source-limited variation. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
38. Lesson 38: Relational markers — Lavongai geographic setting. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
39. Lesson 39: Nominal modification — Tungag and Tungak nomenclature. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
40. Lesson 40: Documented noun phrase analysis — Beaumont’s Lavongai Materials. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.

Module 5: Verbal patterns and clause structures — Lessons 41–50

Primary research focus: Rang Kapo regional variety. Related evidence topic: Puk Matas regional variety. Use source-specific citations and preserve dialect and historical labels.

41. Lesson 41: Verb identification — Rang Kapo regional variety. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
42. Lesson 42: Transitivity — Puk Matas regional variety. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
43. Lesson 43: Preverbal or postverbal markers — Rang Kate regional variety. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
44. Lesson 44: Temporal meaning — spatial and direction terms. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
45. Lesson 45: Aspectual interpretation — maritime movement language. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
46. Lesson 46: Negation — source-limited variation. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
47. Lesson 47: Questions — Lavongai geographic setting. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
48. Lesson 48: Commands — Tungag and Tungak nomenclature. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
49. Lesson 49: Complex clauses — Beaumont’s Lavongai Materials. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
50. Lesson 50: Full clause analysis — Beaumont and Lloyd wordlist. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.

Module 6: Historical texts and discourse — Lessons 51–60

Primary research focus: Puk Matas regional variety. Related evidence topic: Rang Kate regional variety. Use source-specific citations and preserve dialect and historical labels.

51. Lesson 51: Find an authentic passage — Puk Matas regional variety. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
52. Lesson 52: Speaker or editor — Rang Kate regional variety. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
53. Lesson 53: Record genre and date — spatial and direction terms. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
54. Lesson 54: Segment text — maritime movement language. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
55. Lesson 55: Gloss original words — source-limited variation. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
56. Lesson 56: Translate in context — Lavongai geographic setting. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
57. Lesson 57: Discourse organization — Tungag and Tungak nomenclature. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
58. Lesson 58: Cultural interpretation — Beaumont’s Lavongai Materials. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
59. Lesson 59: Textual variation — Beaumont and Lloyd wordlist. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
60. Lesson 60: Critical annotated passage — Rang Kapo regional variety. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.

Module 7: Comparative and historical research — Lessons 61–70

Primary research focus: Rang Kate regional variety. Related evidence topic: spatial and direction terms. Use source-specific citations and preserve dialect and historical labels.

61. Lesson 61: Identify relevant comparanda — Rang Kate regional variety. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
62. Lesson 62: Cognate test — spatial and direction terms. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
63. Lesson 63: Borrowing evidence — maritime movement language. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
64. Lesson 64: Sound correspondences — source-limited variation. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
65. Lesson 65: Grammatical comparison — Lavongai geographic setting. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
66. Lesson 66: Dialect variation — Tungag and Tungak nomenclature. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
67. Lesson 67: Language contact — Beaumont’s Lavongai Materials. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
68. Lesson 68: Historical chronology — Beaumont and Lloyd wordlist. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
69. Lesson 69: Limitations of reconstruction — Rang Kapo regional variety. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
70. Lesson 70: Comparative commentary — Puk Matas regional variety. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.

Module 8: Culture, community and research ethics — Lessons 71–80

Primary research focus: spatial and direction terms. Related evidence topic: maritime movement language. Use source-specific citations and preserve dialect and historical labels.

71. Lesson 71: Community knowledge — spatial and direction terms. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
72. Lesson 72: Island environments — maritime movement language. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
73. Lesson 73: Kinship contexts — source-limited variation. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
74. Lesson 74: Migration and mobility — Lavongai geographic setting. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
75. Lesson 75: Multilingual practice — Tungag and Tungak nomenclature. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
76. Lesson 76: Language teaching use — Beaumont’s Lavongai Materials. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
77. Lesson 77: Archival permissions — Beaumont and Lloyd wordlist. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
78. Lesson 78: Speaker intellectual credit — Rang Kapo regional variety. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
79. Lesson 79: Community feedback — Puk Matas regional variety. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
80. Lesson 80: Documentation sustainability — Rang Kate regional variety. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.

Module 9: Learning outcomes and research portfolio — Lessons 81–90

Primary research focus: maritime movement language. Related evidence topic: source-limited variation. Use source-specific citations and preserve dialect and historical labels.

81. Lesson 81: Bibliography — maritime movement language. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
82. Lesson 82: Orthography evidence sheet — source-limited variation. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
83. Lesson 83: Phonological note — Lavongai geographic setting. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
84. Lesson 84: Verified lexicon — Tungag and Tungak nomenclature. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
85. Lesson 85: Pronominal source audit — Beaumont’s Lavongai Materials. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
86. Lesson 86: Verbal grammar audit — Beaumont and Lloyd wordlist. Verify the source’s terminology, give a responsible English explanation and avoid manufacturing a plausible native sentence not attested in the source. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
87. Lesson 87: Annotated original text — Rang Kapo regional variety. Locate a language-specific source form or passage; record precise original spelling, edition, date and an entry or page identifier before analysis. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
88. Lesson 88: Contact-linguistics analysis — Puk Matas regional variety. Produce an annotated research note including a documentary witness, grammatical function, possible dialect variation and limits of the evidence. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
89. Lesson 89: Ethical documentation protocol — Rang Kate regional variety. Assess what the existing reference establishes and design a concrete community or archive verification step for unresolved details. Assessment: source record, short linguistic commentary and explicit evidence-limit note.
90. Lesson 90: Final research portfolio — spatial and direction terms. Compare the feature against the named grammar or corpus; distinguish secure observation from reconstruction, typological expectation and editorial uncertainty. Assessment: source record, short linguistic commentary and explicit evidence-limit note.

9. Academic integrity and future expansion

No invented native-language utterances, conjectural ancient alphabets or present-day population counts are presented as verified facts. Before releasing completed teaching texts, check individual forms against the relevant edition and obtain community review where practicable. The page currently contains ninety curriculum objectives plus encyclopedia background, not ninety full written chapters or audio lessons.