Velder, Christian. 1963. "Die Geister Der Gelben Blätter -- Ein Urvolk Thailands? Überblick Über Fünfzig Jahre Phi-Tong-Lüng Forschung." In ZfE, 88: 10-23.
Varma, Siddheshwar. 1989. "A Glossary of the Khāsī: A North-Western Himalayan Dialect of Jammu and Kashmir." 34: Hoshiarpur: Vishveshvarand Institute, Panjab University.
Vajda, E. 2000. "Yeniseian and Athabaskan-Eyak-Tlingit: Some Grammatical Evidence of a Genetic Link." In XXII, 2: 322-341. Tomsk: Tomskij gosudarstvennyj pedagogicheskij universitet.
Turin, Mark. 2004. Newar-Thangmi Lexical Correspondences and the Linguistic Classification of Thangmi. Journal of Asian and African Studies 68: 97-120.