Bibliography

Bibliography of Vitality:
Juha Janhunen; Tapani Salminen. 2000. "UNESCO RED BOOK ON ENDANGERED LANGUAGES: NORTHEAST ASIA." Online: http://www.helsinki.fi/~tasalmin/nasia_report.html
Bibliography of Locations:
2005. "The World Atlas of Language Structures." edited by Bernard Comrie et al. Oxford University Press.
Bibliography of Context:
Juha Janhunen; Tapani Salminen. 2000. "UNESCO RED BOOK ON ENDANGERED LANGUAGES: NORTHEAST ASIA." Online: http://www.helsinki.fi/~tasalmin/nasia_report.html