Bibliography

Bibliography of Vitality:
Endangerment of lesser-known tribal languages: with focus on central and southern India
Bibliography of Locations:
Hammarström, Harald & Forkel, Robert & Haspelmath, Martin & Bank, Sebastian (eds.) Glottolog 4.5. https://glottolog.org/. Accessed 16 December 2021.
Bibliography of Context:
Endangerment of lesser-known tribal languages: with focus on central and southern India