REMOVE

1. Sea Charts
2. Celebes Sea
3. Japan
4. China Sea
5. Hainan Island (China)

WHAT

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

More 

WHERE

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

WHO

1. Blaeu, Joan, 1596-1673, c … (1)

WHEN

1. 1666 (1)