REMOVE

1. Hainan Sheng (China)
2. Strait of Malacca
3. Macao (China)
4. Bay of Bengal
5. Malacca (Malacca, Malaysia) …

WHAT

1. Manuscripts (1)
2. Sea Charts (1)

WHERE

1. Andaman Sea (1)
2. Cambodia (1)
3. Ceylon (1)
4. China (1)
5. Gulf of Tonkin (1)
6. Hainan Sheng (China) (1)
7. Indian Ocean (1)
8. Macao (China) (1)
9. Malacca (Malacca, Malaysi … (1)
10. Myanmar (1)
11. Paracel Islands (1)
12. Philippines (1)
13. South China Sea (1)
14. Sri Lanka (1)
15. Sumatra (Indonesia) (1)
16. Taiwan (1)
17. Thailand (1)
18. Vietnam (1)

WHEN

1. 1787 (1)