Scott Ritter (1985). "The Final Phase in the Liquidation of Anti-Soviet Resistance in Tadzhikistan: Ibrahim Bek and the Basmachi, 1924-31". Soviet Studies37 (4). doi:10.1080/09668138508411604.
Guinn, Warren K. (April 1963). "A Footnote to the 1939 Census of the USSR". Mountain Research and Development (Soviet Studies) 14 (4): 421–424. doi:10.1080/09668136308410337.