Columbia subject headings:
Nobility--Spain--Heraldry--Dictionaries--Spanish.
Spain--Genealogy--Dictionaries--Spanish.
Spain--Kings and rulers--Heraldry--Dictionaries--Spanish.
Titles of honor and nobility--Spain--Dictionaries--Spanish.
Harvard subject headings:
Nobility--Spain--Heraldry--Dictionaries--Spanish.
Spain--Genealogy--Dictionaries--Spanish.
Spain--Kings and rulers--Heraldry--Dictionaries--Spanish.
Titles of honor and nobility--Spain--Dictionaries--Spanish.
Princeton subject headings: