REMOVE

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

WHAT

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

WHERE

1. China (1)
2. Hainan Island (China) (1)

WHO

1. Blaeu, Joan, 1650-1712, c … (1)

WHEN

1. 1677 (1)