Columbia subject headings:
Early printed books--Catalogs.
Fekula, Paul M., 1905-1982--Library--Catalogs.
Rare books--Bibliography--Catalogs.
Ukrainian imprints--Catalogs.
University of Toronto. Library--Catalogs.
Harvard subject headings:
Early printed books--Catalogs.
Early printed books--Ukraine--Bibliography--Catalogs.
Fekula, Paul M.--Library--Catalogs.
Rare books--Catalogs
Rare books--Ontario--Toronto--Bibliography--Catalogs.
Ukrainian imprints--Catalogs.
University of Toronto. Library--Catalogs.
Princeton subject headings:
Church Slavic imprints--Catalogs.
Early printed books--Catalogs.
Fekula, Paul M.--Library--Catalogs.
Ukraine--Imprints--Catalogs.