Prokudin-Gorskii Sergei Mikhailovich, Прокудин-Горский Сергей Михайлович Zakat Prokudin-Gorskii, Sergei Mikhailovich (1863-1944). Zakat. [between 1905 and 1915]. 1905 Library of Congress
Prokudin-Gorskii Sergei Mikhailovich, Прокудин-Горский Сергей Михайлович Siren '' Prokudin-Gorskii, Sergei Mikhailovich (1863-1944). Siren '. [between 1905 and 1915]. 1905 Library of Congress