Adams, K. L. (1989). Systems of numeral classification in the Mon-Khmer, Nicobarese and Aslian subfamilies of Austroasiatic. Canberra, A.C.T., Australia: Dept. of Linguistics, Research School of Pacific Studies, Australian National University. ISBN 0-85883-373-5
Filbeck, D. (1978). T'in: a historical study. Pacific linguistics, no. 49. Canberra: Dept. of Linguistics, Research School of Pacific Studies, Australian National University. ISBN 0-85883-172-4
Hemeling, K. (1907). Die Nanking Kuanhua. (German language)
Shorto, H. L. Bibliographies of Mon-Khmer and Tai Linguistics. London oriental bibliographies, v. 2. London: Oxford University Press, 1963.
