J. Janhunen, “Daniel Kane The Sino-Jurchen vocabulary of the Bureau of Interpreters; È. V. Shavkunov Kul’tura chzhurchzhènej-udigè XII–XIII vv. i problema proishozhdenija tungusskih narodov Dal’nego Vostoka”, FUF, vol. 1991, no. 50, pp. 100–106, Jan. 1991.