Columbia subject headings:
Library catalogs--United States.
Russian literature--Bibliography--Catalogs.
Slavic languages--Bibliography--Catalogs.
Union catalogs.
Harvard subject headings:
Slavic imprints--Microform catalogs.
Princeton subject headings:
Slavic countries--Bibliography--Catalogs.
Slavic literature--Bibliography--Catalogs.
Slavic philology--Bibliography--Catalogs.
Union catalogs--United States.