Columbia subject headings:
Dukkālah (Morocco)--History.
Morocco--Foreign relations--Portugal.
Morocco--History--1516-1830.
Morocco--History--647-1516.
Portugal--Foreign relations--Morocco.
Harvard subject headings:
Dukkālah (Morocco)--History.
Morocco--Foreign relations--Portugal.
Morocco--History--1516-1830.
Morocco--History--647-1516.
Portugal--Foreign relations--Morocco.
Princeton subject headings:
Dukkālah (Morocco)--History.
Morocco--Foreign relations--Portugal.
Morocco--History--1516-1830.
Morocco--History--647-1516.
Portugal--Foreign relations--Morocco.