REMOVE

1. Vietnam -- Maps
2. Sea Charts
3. Manuscripts
4. China -- Maps
5. Vietnam
6. China Sea
7. Philippines

WHAT

1. China Sea -- Maps (1)

WHERE

1. China (1)
2. Hainan Island (China) (1)
3. Paracel Islands (1)

WHO

1. Blaeu, Joan, 1650-1712, c … (1)

WHEN

1. 1677 (1)