Columbia subject headings:
Gosudarstvennai︠a︡ biblioteka SSSR imeni V.I. Lenina--Catalogs.
Russian newspapers--Bibliography--Catalogs.
Soviet Union--History--Revolution, 1917-1921--Sources--Bibliography--Catalogs.
Harvard subject headings:
Gosudarstvennai︠a︡ biblioteka SSSR imeni V.I. Lenina--Catalogs.
Russian newspapers--Bibliography--Catalogs.
Soviet Union--History--Revolution, 1917-1921--Sources--Bibliography--Catalogs.
Princeton subject headings: