REMOVE

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

WHAT

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

More 

WHERE

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