Columbia subject headings:
Ballads, Catalan--Texts.
Ballads, Ladino--Texts.
Ballads, Portuguese--Texts.
Ballads, Spanish--Texts.
Harvard subject headings:
Ballads, Catalan--Texts.
Ballads, Ladino--Texts.
Ballads, Portuguese--Texts.
Ballads, Spanish--History and criticism.
Ballads, Spanish--Texts.
Ballads, Spanish.
Princeton subject headings:
Ballads, Spanish--History and criticism.
Ballads, Spanish.
Folk songs, Spanish--History and criticism.
Folk songs, Spanish.