Columbia subject headings:
Communism--Soviet Union--History--Abstracts.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--History--Abstracts.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡. Sʺezd (2nd : 1903 : Brussels, Belgium; London, England)--Historiography--Abstracts.
Harvard subject headings:
Communism--Soviet Union--History--Abstracts.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--History--Abstracts.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡. Sʺezd (2nd : 1903 : Brussels, Belgium and London, England)--Historiography--Abstracts.
Princeton subject headings: