Prokudin-Gorskii Sergei Mikhailovich, Прокудин-Горский Сергей Михайлович Selo Kul''kovo na r. Chusovoi Prokudin-Gorskii, Sergei Mikhailovich (1863-1944). Selo Kul'kovo na r. Chusovoi. 1912. 1912 Library of Congress