REMOVE

1. Printed
2. Sea Charts
3. Coasts
4. Philippines
5. China Sea
6. Vietnam

WHAT

1. Nautical charts (1)

WHERE

1. Hainan Sheng (China) (1)
2. Macao (China) (1)
3. Paracel Islands (1)

WHO

1. Horsburgh, James, 1762-18 … (1)

WHEN

1. 1848 (1)