Columbia subject headings:
Autographs--Spain--Catalogs.
Harvard subject headings:
Authors, Spanish--18th century--Autographs.
Authors, Spanish--18th century--Biography
Authors, Spanish--19th century--Autographs.
Authors, Spanish--19th century--Biography
Authors, Spanish--Classical period, 1500-1700--Autographs.
Authors, Spanish--Classical period, 1500-1700--Biography
Autographs--Spain--Catalogs.
Princeton subject headings:
Autographs--Spain--Catalogs.
Catalogs.