Columbia subject headings:
Harvard subject headings:
Archives--Spain--Bibliography.
Libraries--Spain--Bibliography.
Printing--Spain--History--Bibliography.
Spain--Bibliography.
Spanish literature--Bibliography
Spanish literature--Bibliography of bibliographies.
Princeton subject headings:
Archives--Spain--Bibliography of bibliographies.
Libraries--Spain--Bibliography of bibliographies.
Printing--Spain--History--Bibliography of bibliographies.
Spain--Bibliography of bibliographies.
Spanish literature--Bibliography of bibliographies.