Istoricheskie sv︠i︡azi narodov ︠I︡Akutii s russkim narodom : sbornik nauchnykh trudov - Ivanov, V. N. (Vasiliĭ Nikolaevich); Fedorov, M. M. (Mikhail Mikhaĭlovich) (︠I︡Akutskoe knizhnoe izd-vo, 1987)