Columbia subject headings:
Church Slavic literature--Bibliography--Catalogs.
Russian imprints--Bibliography--Catalogs.
Russian literature--Bibliography--Catalogs.
Soviet Union--Bibliography--Catalogs.
Soviet Union--Library resources--Great Britain.
Harvard subject headings:
Church Slavic imprints--Catalogs.
Russian imprints--Catalogs.
Union catalogs--Great Britain.
Princeton subject headings:
Russia--Imprints--Union lists.
Union catalogs--Great Britain.