Columbia subject headings:
Harvard subject headings:
Alentejo (Portugal)--History--Sources.
Alentejo (Portugal)--Social life and customs--Sources.
Castelo de Vide (Portugal)--History--Sources.
Montalvão (Portugal)--History--Sources.
Póvoa e Meadas (Portugal)--History--Sources.
Princeton subject headings:
Alto Alentejo (Portugal)--Antiquities.
Alto Alentejo (Portugal)--Civilization.
Alto Alentejo (Portugal)--History.