Columbia subject headings:
Harvard subject headings:
Europe, Eastern--Bibliography--Catalogs.
Rare books--Colorado--Boulder--Catalogs.
Slavic imprints--Colorado--Boulder--Catalogs.
University of Colorado Libraries--Catalogs.
Princeton subject headings:
Europe, Eastern--Bibliography--Catalogs.
Rare books--Colorado--Boulder--Catalogs.
Slavic imprints--Colorado--Boulder--Catalogs.