REMOVE

1. Printed
2. Sea Charts
3. Philippines
4. Paracel Islands
5. Vietnam
6. 1848

WHAT

1. Coasts (1)
2. Nautical charts (1)

WHERE

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

More 

WHO

1. Horsburgh, James, 1762-18 … (1)