Putevoditelʹ po Arkhivu Leningradskogo Otdelenii︠a︡ Instituta Istorii / 
Academy of Sciences of the Union of Soviet Socialist Republics (Moscow). - Institute of History. - Leningrad Section.
Valkina, I. V.
Manʹkov, A. G.
Andreev, A. I.
Moskva, 
1958.