Columbia subject headings:
Folk songs, Spanish--Peru--Piura (Region)--History and criticism.
Folk songs, Spanish--Peru--Piura (Region)--Texts.
Harvard subject headings:
Folk songs, Spanish--Peru--Piura (Department)--History and criticism.
Folk songs, Spanish--Peru--Piura (Department)--Texts.
Folk songs, Spanish--Peru--Piura (Dept.)--History and criticism.
Folk songs, Spanish--Peru--Piura (Dept.)--Texts.
Princeton subject headings: