Columbia subject headings:
Bibliography--Soviet Union.
Soviet Union--Bibliography.
Soviet Union--Imprints.
Harvard subject headings:
Bibliography, National--Soviet Union--Handbooks, manuals, etc.
Bibliography, National--Soviet Union.
Soviet Union--Bibliography
Soviet Union--Handbooks, manuals, etc.
Soviet Union--Imprints.
Soviet Union--Reference books--Bibliography.
Princeton subject headings:
Bibliography, National--Soviet Union.
Soviet Union--Imprints.