Shestidesi︠a︡tye gody : materialy po istorii literatury i obshchestvennomu dvizhenii︠u︡ /
Piksanov, Nikolaĭ Kirʹi︠a︡kovich,1878-1969.
TSekhnovit︠s︡er, Orest V.
Moskva : Izdatelʹstvo Akademii Nauk,
1940.
Photocopy.
Russian literature