REMOVE

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

WHAT

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

WHERE

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

WHO

1. Blaeu, Joan, 1650-1712, c … (1)

WHEN

1. 1677 (1)