REMOVE

1. Hainan Sheng (China)
2. Vietnam
3. Macao (China)
4. Paracel Islands
5. 1848

WHAT

1. Coasts (1)
2. Nautical charts (1)
3. Printed (1)
4. Sea Charts (1)

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WHERE

1. China Sea (1)
2. Hainan Sheng (China) (1)
3. Macao (China) (1)
4. Philippines (1)

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WHO

1. Horsburgh, James, 1762-18 … (1)