Columbia subject headings:
Oujda (Morocco)--History--19th century.
Oujda (Morocco)--Social life and customs.
Harvard subject headings:
Oujda (Morocco)--Economic conditions--19th century.
Oujda (Morocco)--History--19th century.
Oujda (Morocco)--Social conditions--19th century.
Princeton subject headings:
Oujda (Morocco)--History--19th century.
Oujda (Morocco)--Social life and customs.