Columbia subject headings:
Incunabula--Germany--Ulm--Bibliography--Catalogs.
Stadtbibliothek Ulm--Catalogs.
Harvard subject headings:
Incunabula--Germany (West)--Ulm--Bibliography--Catalogs.
Stadtbibliothek Ulm--Catalogs.
Princeton subject headings:
Incunabula--Germany (West)--Ulm--Bibliography--Catalogs.
Stadtbibliothek Ulm--Catalogs.