REMOVE

1. Coasts
2. Printed
3. China Sea
4. Hainan Sheng (China)
5. Macao (China)

WHAT

1. Nautical charts (1)
2. Sea Charts (1)

WHERE

1. Hainan Sheng (China) (1)
2. Macao (China) (1)
3. Paracel Islands (1)
4. Philippines (1)
5. Taiwan (1)
6. Vietnam (1)

WHO

1. Horsburgh, James, 1762-18 … (1)

WHEN

1. 1848 (1)