REMOVE

1. Borneo -- Maps
2. Japan
3. Thailand
4. Celebes Sea
5. Hainan Island (China)

WHAT

1. China -- Maps (1)
2. Manuscripts (1)
3. Philippines -- Maps (1)
4. Sea Charts (1)

More 

WHERE

1. Borneo (1)
2. Cambodia (1)
3. China (1)
4. China Sea (1)
5. Hainan Island (China) (1)
6. Korea (1)
7. Malaysia (1)
8. Paracel Islands (1)
9. Philippines (1)
10. Southeast Asia (1)
11. Taiwan (1)
12. Vietnam (1)

WHO

1. Blaeu, Joan, 1596-1673, c … (1)

WHEN

1. 1666 (1)