Title: Predvaritelʹnyĭ otchet o rabotakh Vili︠u︡ĭsko-olekminskogo mediko-sanitarnogo otri︠a︡da v 1925-1926 g.g.
Subjects: History, I︠A︡kutskai︠a︡ ėkspedit︠s︡ii︠a︡, 1925-1926
Places: Sakha (Russia)