Kajmarazov, Gani Sihvalievic. “P.K. Uslar Ob Obrazovanii I Vospitanii Dagestanskikh Gortsev (k 190-Letiyu so Dnya Rozhdeniya Kavkazoveda)”. History, Archeology and Ethnography of the Caucasus 2, no. 4 (December 15, 2006): 143–151. Accessed June 9, 2026. https://caucasushistory.ru/2618-6772/article/view/904.