Columbia subject headings:
Lenin, Vladimir Ilʹich, 1870-1924--Correspondence.
Rossiĭskai︠a︡ kommunisticheskai︠a︡ partii︠a︡ (bolʹshevikov)--Sources.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--Sources.
Soviet Union--History--Revolution, 1917-1921--Sources.
Harvard subject headings:
Lenin, Vladimir Ilʹich, 1870-1924--Correspondence.
Rossiĭskai︠a︡ kommunisticheskai︠a︡ partii︠a︡ (bolʹshevikov)--Sources.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--Sources.
Soviet Union--History--Revolution, 1917-1921--Sources
Princeton subject headings:
Lenin, Vladimir Ilʹich, 1870-1924--Correspondence.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--Sources.
Soviet Union--History--Revolution, 1917-1921--Sources.