REMOVE

1. Nautical charts -- South Chi …
2. Vietnam
3. Paracel Islands
4. China

WHAT

1. Manuscripts (1)
2. Sea Charts (1)

WHERE

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

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WHO

1. Thornton, John, 1641-1708 … (1)

WHEN

1. 1701 (1)