Columbia subject headings:
Harvard subject headings:
Basel (Switzerland)--Imprints--Union lists.
Basel (Switzerland)--Imprints.
Incunabula--Switzerland--Basel--Bibliography--Union lists.
Incunabula--Switzerland--Basel--Bibliography.
Incunabula--Switzerland--Basel--Catalogs.
Printing--Switzerland--Basel--History--Origin and antecedents.
Universitätsbibliothek Basel--Catalogs.
Princeton subject headings:
Basel (Switzerland)--Imprints--Union lists.
Incunabula--Switzerland--Basel--Bibliography--Union lists.
Printing--Switzerland--Basel--History--Origin and antecedents.
Union catalogs.