Information sources (all media)

1. In general: Internet, Library, ...
2. Popular monographs and journals
3. Local publications
4. Catalogues and databases: SIL (Ethnologue), LDC, ELRA, ...
5. Lexica
6. Grammars
7. Scientific monographs
8. Articles in scientific journals
9. Linguistic questionnaires
10. Situated recording scenarios
11. Linguistic experiments