Columbia subject headings:
Harvard subject headings:
Andalusia (Spain)--History
Muslims--Portugal--Silves.
Portugal--Civilization--To 1500--Islamic influences.
Silves (Portugal)--Economic conditions.
Silves (Portugal)--History.
Silves (Portugal)--Intellectual life.
Silves (Portugal)--Social conditions.
Princeton subject headings:
Muslims--Portugal--Silves.
Silves (Portugal)--Economic conditions.
Silves (Portugal)--History.
Silves (Portugal)--Social conditions.