Columbia subject headings:
Harvard subject headings:
Early printed books--Spain--Bibliography--Union lists.
Rare books--Bibliography--Union lists.
Rare books--North America--Bibliography--Union lists.
Rare books--Spain--Bibliography--Union lists.
Spain--Imprints--Union lists.
Spanish imprints--Union lists.
Union catalogs--North America.
Union catalogs--United States.
University of Illinois at Urbana-Champaign. Library--Catalogs.
Princeton subject headings:
Rare books--Bibliography--Union lists.
Spain--Imprints--Union lists.
Spanish imprints--Union lists.
Union catalogs--United States.
University of Illinois at Urbana-Champaign. Library--Catalogs.