Columbia subject headings:
Seals (Numismatics)--Byzantine Empire--Catalogs.
Seals (Numismatics)--Collectors and collecting--Austria--Catalogs.
Harvard subject headings:
Seals (Numismatics)--Byzantine Empire--Catalogs.
Seals (Numismatics)--Collectors and collecting--Austria--Catalogs.
Princeton subject headings:
Seals (Numismatics)--Byzantine Empire--Catalogs.
Seals (Numismatics)--Collectors and collecting--Austria--Catalogs.