Columbia subject headings:
Harvard subject headings:
Ballads, Catalan--Texts.
Ballads, Galician--Texts.
Ballads, Ladino--Texts.
Ballads, Portuguese--Texts.
Ballads, Spanish--Texts.
Princeton subject headings:
Ballads, Catalan--Texts.
Ballads, Galician--Texts.
Ballads, Ladino--Texts.
Ballads, Portuguese--Texts.
Ballads, Spanish--Texts.