REMOVE

1. China -- Maps
2. Sea Charts
3. Manuscripts
4. Philippines
5. Hainan Island (China)
6. China

WHAT

1. Borneo -- Maps (1)
2. China Sea -- Maps (1)

More 

WHERE

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

WHO

1. Blaeu, Joan, 1596-1673, c … (1)
2. Blaeu, Joan, 1650-1712, c … (1)

WHEN

1. 1666 (1)
2. 1677 (1)