1. Linguistic identity and geographic context

Takuu is associated with Takuu or Tauu Atoll, near Bougainville, Papua New Guinea. It belongs to the Polynesian Outlier sphere within the Austronesian language family. That typological and genealogical relationship does not authorize the transfer of lexical or grammatical forms from a different Polynesian language. The name, community and documentary record should be treated on their own terms.

2. History of documentation and community testimony

Richard Moyle’s Takuu Grammar and Dictionary was published by Pacific Linguistics in 2011, volume 634, and is openly accessible through Australian National University. The author has separately explained a consequential editorial decision: his printed dictionary uses doubled vowels for length, partly following earlier lexicographic work by Irwin Howard, while he personally favors macrons. The difference is an orthographic convention, not evidence of two unrelated languages.

3. Alphabet, pronunciation and orthographic fidelity

Takuu notation must be quoted carefully. A double-vowel written form and a macronized representation require a clearly documented conversion rule; the archive should preserve the original, and students should not change the spelling silently.

When source examples contain length marks, special letters or editorial segmentation, retain those faithfully and label alternate transcriptions. A published spelling is a research artifact rather than proof of a pre-contact writing system.

4. Grammar, constructions and structure

Takuu lexical and grammatical descriptions support research on clause structure, verb phrases, particles, number, possession and reduplication. Modern research must recognize indigenous knowledge and changes in island life without replacing Takuu forms with adjacent Polynesian equivalents.

For authentic sentences, attach the original publication and location. Where reference grammars do not support a construction, mark it as unverified rather than generating an apparently fluent but unsubstantiated sentence.

5. Carefully selected documented lexical evidence

The following limited forms or notation examples are tied to specific cited resources. Definitions may summarize a source’s wording; they do not provide an independently verified full conversational phrasebook.

• ao: daylight or day rather than night.
• aitu: spirit or ghost.
• ani: blow gently, of a gust of wind.
• ano: turmeric.

Do not treat a lexical citation as permission to construct additional inflected forms, sentences or pronunciation rules without independent verification.

6. Social and cultural interpretation

Ocean ecology, lineage knowledge, family relationships, cultural memory and inter-island contact can shape vocabulary and narrative meaning. The research record may contain culturally sensitive content; speaker attribution, archival conditions and the perspective of contemporary communities must be respected. Historical linguistic descriptions should not be interpreted as present-day speaker counts.

7. Documentary and academic bibliography

• Richard M. Moyle (2011), Takuu Grammar and Dictionary, DOI 10.15144/PL-634. https://openresearch-repository.anu.edu.au/items/b47e21ca-b66f-4588-a6f5-7d21c793c7b7
• POLLEX Online, Moyle 2011 Takuu entries. https://pollex.eva.mpg.de/source/52/
• Richard Moyle, note on Takuu orthography. https://takudictionary.wordpress.com/about/

A cited bibliography proves the existence of a resource, not that every possible teaching example has been checked against its complete text. Future expansions should add exact page or recording references.

8. Ninety individually named documentary study objectives

Nine modules each contain ten structured research lessons. These are research and assessment outlines, not ninety fully authored books or audiovisual recordings. They specify how to expand the encyclopedia responsibly through original sources.

Module 1. History, identity and documentary witnesses — Lessons 1–10

Module objective: investigate history, identity and documentary witnesses through the distinctive Takuu documentation. Principal evidence anchors: Moyle 2011; Pacific Linguistics 634. For each exercise, preserve the original form and attach a traceable source record.

1. Lesson 1: Speech community and endonym — Moyle 2011. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
2. Lesson 2: Island geography — Pacific Linguistics 634. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
3. Lesson 3: Polynesian classification — Irwin Howard manuscripts. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
4. Lesson 4: Neighboring languages — doubled-vowel spelling. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
5. Lesson 5: Early documentary chronology — macron orthography. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
6. Lesson 6: Primary author’s research — documented reef ecology. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
7. Lesson 7: Community contributors — narrative records. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
8. Lesson 8: Evidence of historical change — possession patterns. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
9. Lesson 9: Bibliographic metadata — verbal particles. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
10. Lesson 10: Ethics of naming — phonemic length. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.

Module 2. Alphabet, phonology and authentic orthography — Lessons 11–20

Module objective: investigate alphabet, phonology and authentic orthography through the distinctive Takuu documentation. Principal evidence anchors: Pacific Linguistics 634; Irwin Howard manuscripts. For each exercise, preserve the original form and attach a traceable source record.

11. Lesson 11: Writing conventions — Pacific Linguistics 634. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
12. Lesson 12: Source consonant analysis — Irwin Howard manuscripts. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
13. Lesson 13: Vowel symbols — doubled-vowel spelling. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
14. Lesson 14: Vowel length and doubled writing — macron orthography. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
15. Lesson 15: Consonant alternation — documented reef ecology. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
16. Lesson 16: Syllable evidence — narrative records. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
17. Lesson 17: Stress and intonation — possession patterns. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
18. Lesson 18: Orthographic changes — verbal particles. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
19. Lesson 19: Source audio transcription — phonemic length. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
20. Lesson 20: No invented ancient script — Moyle 2011. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.

Module 3. Original lexicon and semantic context — Lessons 21–30

Module objective: investigate original lexicon and semantic context through the distinctive Takuu documentation. Principal evidence anchors: Irwin Howard manuscripts; doubled-vowel spelling. For each exercise, preserve the original form and attach a traceable source record.

21. Lesson 21: Headword selection — Irwin Howard manuscripts. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
22. Lesson 22: English gloss limitations — doubled-vowel spelling. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
23. Lesson 23: Maritime vocabulary — macron orthography. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
24. Lesson 24: Flora and fauna — documented reef ecology. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
25. Lesson 25: Kinship terms — narrative records. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
26. Lesson 26: Food and cultivation — possession patterns. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
27. Lesson 27: Directional expressions — verbal particles. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
28. Lesson 28: Contact words — phonemic length. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
29. Lesson 29: Culturally specific meanings — Moyle 2011. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
30. Lesson 30: Ten verified dictionary entries — Pacific Linguistics 634. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.

Module 4. Pronouns, nominals and possession — Lessons 31–40

Module objective: investigate pronouns, nominals and possession through the distinctive Takuu documentation. Principal evidence anchors: doubled-vowel spelling; macron orthography. For each exercise, preserve the original form and attach a traceable source record.

31. Lesson 31: Pronoun inventory — doubled-vowel spelling. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
32. Lesson 32: Singular reference — macron orthography. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
33. Lesson 33: Dual and plural evidence — documented reef ecology. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
34. Lesson 34: Inclusion versus exclusion — narrative records. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
35. Lesson 35: Noun modifiers — possession patterns. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
36. Lesson 36: Possession types — verbal particles. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
37. Lesson 37: Kinship possessives — phonemic length. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
38. Lesson 38: Definiteness and articles — Moyle 2011. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
39. Lesson 39: Demonstrative reference — Pacific Linguistics 634. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
40. Lesson 40: Attested noun phrases — Irwin Howard manuscripts. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.

Module 5. Verbs and sentence structure — Lessons 41–50

Module objective: investigate verbs and sentence structure through the distinctive Takuu documentation. Principal evidence anchors: macron orthography; documented reef ecology. For each exercise, preserve the original form and attach a traceable source record.

41. Lesson 41: Verb classes — macron orthography. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
42. Lesson 42: Verb marking — documented reef ecology. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
43. Lesson 43: Aspect and tense — narrative records. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
44. Lesson 44: Negation — possession patterns. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
45. Lesson 45: Questions — verbal particles. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
46. Lesson 46: Imperatives — phonemic length. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
47. Lesson 47: Transitivity — Moyle 2011. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
48. Lesson 48: Clause order — Pacific Linguistics 634. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
49. Lesson 49: Reduplication — Irwin Howard manuscripts. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
50. Lesson 50: Documented clause annotation — doubled-vowel spelling. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.

Module 6. Authentic narrative and original texts — Lessons 51–60

Module objective: investigate authentic narrative and original texts through the distinctive Takuu documentation. Principal evidence anchors: documented reef ecology; narrative records. For each exercise, preserve the original form and attach a traceable source record.

51. Lesson 51: Locate a published text — documented reef ecology. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
52. Lesson 52: Identify its narrator — narrative records. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
53. Lesson 53: Preserve the original spelling — possession patterns. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
54. Lesson 54: Segment into clauses — verbal particles. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
55. Lesson 55: Gloss one construction — phonemic length. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
56. Lesson 56: Compare translations — Moyle 2011. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
57. Lesson 57: Identify quotation conventions — Pacific Linguistics 634. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
58. Lesson 58: Narrative sequence — Irwin Howard manuscripts. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
59. Lesson 59: Cultural imagery — doubled-vowel spelling. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
60. Lesson 60: Critical text commentary — macron orthography. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.

Module 7. Historical comparison and sound change — Lessons 61–70

Module objective: investigate historical comparison and sound change through the distinctive Takuu documentation. Principal evidence anchors: narrative records; possession patterns. For each exercise, preserve the original form and attach a traceable source record.

61. Lesson 61: Polynesian comparative method — narrative records. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
62. Lesson 62: Cognate verification — possession patterns. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
63. Lesson 63: False cognates — verbal particles. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
64. Lesson 64: Inherited phonology — phonemic length. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
65. Lesson 65: Loanword evidence — Moyle 2011. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
66. Lesson 66: Source dates — Pacific Linguistics 634. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
67. Lesson 67: Language contact — Irwin Howard manuscripts. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
68. Lesson 68: Variation among speakers — doubled-vowel spelling. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
69. Lesson 69: Limits of reconstruction — macron orthography. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
70. Lesson 70: Historical case study — documented reef ecology. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.

Module 8. Living language, community and preservation — Lessons 71–80

Module objective: investigate living language, community and preservation through the distinctive Takuu documentation. Principal evidence anchors: possession patterns; verbal particles. For each exercise, preserve the original form and attach a traceable source record.

71. Lesson 71: Community cultural authority — possession patterns. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
72. Lesson 72: Language in everyday life — verbal particles. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
73. Lesson 73: Diaspora and mobility — phonemic length. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
74. Lesson 74: Language transmission — Moyle 2011. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
75. Lesson 75: School use and literacy — Pacific Linguistics 634. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
76. Lesson 76: Lexical innovation — Irwin Howard manuscripts. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
77. Lesson 77: Respectful archival practice — doubled-vowel spelling. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
78. Lesson 78: Speaker rights and attribution — macron orthography. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
79. Lesson 79: Appropriate reuse of texts — documented reef ecology. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
80. Lesson 80: Community review — narrative records. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.

Module 9. Research synthesis and assessment — Lessons 81–90

Module objective: investigate research synthesis and assessment through the distinctive Takuu documentation. Principal evidence anchors: verbal particles; phonemic length. For each exercise, preserve the original form and attach a traceable source record.

81. Lesson 81: Annotated bibliography — verbal particles. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
82. Lesson 82: Phonological profile — phonemic length. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
83. Lesson 83: Orthography note — Moyle 2011. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
84. Lesson 84: Verified lexical notebook — Pacific Linguistics 634. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
85. Lesson 85: Pronoun evidence review — Irwin Howard manuscripts. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
86. Lesson 86: Verb evidence review — doubled-vowel spelling. Locate the feature in the source’s glossary, grammar or archive and write a concise linguistic explanation with a traceable reference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
87. Lesson 87: One cited text analysis — macron orthography. Summarize the relevant archival evidence and note one unanswered empirical question that would require speaker consultation. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
88. Lesson 88: Contact-language comparison — documented reef ecology. Transcribe a directly documented item from the cited source, identifying spelling, gloss, date and author. Explain the feature only as far as the evidence warrants. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
89. Lesson 89: Community-source ethics report — narrative records. Compare two source-backed entries or passages and describe their formal or semantic contrasts without importing unattested forms from related languages. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.
90. Lesson 90: Final 90-lesson portfolio — possession patterns. Prepare a documentary annotation distinguishing a primary-language example from editorial transcription, translation and scholarly inference. Assessment: a short evidence table, a source-based analysis and an explicit statement of uncertainty.

9. Scholarly integrity and use limitations

Native lexical items, if cited, are only those supported by the references named above. No invented ancient script, fabricated historical quote, invented speaker total, unsupported grammatical paradigm or undocumented local phrase has been presented as fact. Ninety research objectives must not be advertised as ninety completed textbooks. Community review and original-source verification remain essential for full pedagogical release.