Columbia subject headings:
Harvard subject headings:
Ballads, Spanish--Mexico--Guerrero (State)
Folk songs, Spanish--Mexico--Guerrero (State)--History and criticism.
Mexican ballads and songs.
Songs, Spanish--Mexico--Guerrero (State)
Princeton subject headings:
Ballads, Spanish--Mexico--Guerrero (State).
Folk songs, Spanish--Mexico--Guerrero (State)--History and criticism.
Songs, Spanish--Mexico--Guerrero (State).