- Economic history--Medieval, 500-1500 (2)
- Economic history--To 500 (1)
- Europe--Commerce--Middle East--History (1)
- Europe--Economic conditions--To 1492 (1)
- Europe--Foreign economic relations--Middle East (1)
- Mediterranean Region--History (1)
- Middle East--Commerce--Europe--History (1)
- Middle East--Foreign economic relations--Europe (1)