Trudnai︠a︡ nauka pobezhdatʹ /
880-01Biri︠u︡kov, N. I.(Nikolaĭ Ivanovich),1901-1980author.
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
John and Ljubica Erickson collection.
Biri︠u︡kov, N. I. (Nikolaĭ Ivanovich), 1901-1980.
World War, 1939-1945