- Indian Ocean--Navigation--History (8)
- Boats and boating--Middle East--History (2)
- Navigation--Arab countries--History (2)
- Navigation--Middle East--History (2)
- Ships--Middle East--History (2)
- Trade routes--Indian Ocean--History (2)
- Dhows--History (1)
- Geography, Ancient (1)
- Geography, Medieval (1)
- Goa, Daman and Diu (India)--History (1)
- Indian Ocean Region--History (1)
- Merchant marine--India--History (1)
- Navigation--India--History (1)
- Shipbuilding industry--India--History (1)
- Shipping--Indian Ocean--History (1)