REMOVE

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

WHAT

1. Vietnam -- Maps (1)

WHERE

1. China (1)
2. China Sea (1)
3. Hainan Island (China) (1)
4. Paracel Islands (1)
5. Philippines (1)

WHO

1. Blaeu, Joan, 1650-1712, c … (1)

WHEN

1. 1677 (1)