Title: Mariĭskai︠a︡ oblastnai︠a︡ organizat︠s︡ii︠a︡ KPSS v t︠s︡ifrakh, 1921-1986
Subjects: Communists, Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za, Statistics