REMOVE

1. Manuscripts
2. Sea Charts
3. Discovery and exploration
4. Griggs, William, 1832-1911 …
5. Ribeiro, Diogo, fl. 1519-153 …
6. 1529

WHAT

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