Sovetskoe Slavi︠a︡novedenie. Literatura o zarubezhnykh slavi︠a︡nskikh stranakh na russkom i︠a︡zyke, 1918-1960 / 
Academy of Sciences of the Union of Soviet Socialist Republics (Moscow). - Fundamental Library of the Social Sciences.
Kaloeva, I. A.
Kan, E. M.
Moskva, 
1963.