Columbia subject headings:
Alto Alentejo (Portugal)--Social life and customs.
Baixo Alentejo (Portugal)--Social life and customs.
Choral music--Portugal--Alto Alentejo.
Choral music--Portugal--Baixo Alentejo.
Folk music--Portugal--Alto Alentejo--History and criticism.
Folk music--Portugal--Baixo Alentejo--History and criticism.
Folk songs, Portuguese--Portugal--Alto Alentejo--History and criticism.
Folk songs, Portuguese--Portugal--Baixo Alentejo--History and criticism.
Harvard subject headings:
Alto Alentejo (Portugal)--Social life and customs.
Baixo Alentejo (Portugal)--Social life and customs.
Choral music--Portugal--Alto Alentejo.
Choral music--Portugal--Baixo Alentejo.
Folk music--Portugal--Alto Alentejo--History and criticism.
Folk music--Portugal--Baixo Alentejo--History and criticism.
Folk songs--Portugal--Alto Alentejo--History and criticism.
Folk songs--Portugal--Baixo Alentejo--History and criticism.
Princeton subject headings:
Alto Alentejo (Portugal)--Social life and customs.
Baixo Alentejo (Portugal)--Social life and customs.
Choral music--Portugal--Alto Alentejo--History and criticism.
Choral music--Portugal--Baixo Alentejo--History and criticism.
Folk music--Portugal--Alto Alentejo--History and criticism.
Folk music--Portugal--Baixo Alentejo--History and criticism.
Folk songs--Portugal--Alto Alentejo--History and criticism.
Folk songs--Portugal--Baixo Alentejo--History and criticism.