Columbia subject headings:
Harvard subject headings:
Government publications--Soviet Union--Microform catalogs.
Library of Congress--Microform catalogs.
Periodicals on microfilm--Catalogs.
Russian periodicals--Microform catalogs.
Princeton subject headings:
Government publications--Russia--Microform catalogs.
Library of Congress--Microform catalogs.
Periodicals on microfilm--Catalogs.
Russian periodicals--Microform catalogs.