Bolʹshai︠a︡ sovetskai︠a︡ ėnt︠s︡iklopedii︠a︡ /
Vavilov, Sergei Ivanovich,1891-
[Moskva] : Gosudarstvennoe nauchnoe izdatelʹstvo,
[1949-1965]
Illustrative material is part colored and part folded.
Encyclopedias and dictionaries, Russian.