Herbert Franke, Denis Twitchett, Alien Regimes and Border States, 907–1368. The Cambridge History of China, vol 6. Cambridge University Press, 1994. ISBN 0-521-24331-9. Partial text on Google Books
Daniel Kane, The Sino-Jurchen Vocabulary of the Bureau of Interpreters. (Uralic and Altaic Series, Vol. 153). Indiana University, Research Institute for Inner Asian Studies. Bloomington, Indiana, 1989. ISBN 0-933070-23-3.
Gisaburo N. Kiyose(清瀬義三郎則府), A Study of the Jurchen Language and Script: Reconstruction and Decipherment. Kyoto: Horitsubunka-sha, 1977. ISBN 4-589-00794-0.