Title: Istoricheskii sʺezd.
Authors: Ugriumov, Aleksandr Leontʹevich.
Publisher: Znanie,
Year: 1973
Subjects: Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡.