Yakutia before its incorporation into the Russian states /
Okladnikov, A. P.(Alekseĭ Pavlovich),1908-
Michael, Henry Nathaniel.
Montreal London McGill-Queen's University Press
1970
Originally published as 'Iakutiia do prisoedineniia k russkomu gosudarstvu'. Moscow: Izd-vo Akademii Nauk SSSR, 1955
bibl p457-492