Title: Pervai︠a︡ mirovai︠a︡ voĭna na pochtovykh otkrytkakh
Subjects: Social aspects, World War, 1914-1918, Postcards, Pictorial works, History, Weltkrieg, Postkarte, World War (1914-1918) fast (OCoLC)fst01180746
Time periods: 20th century