REMOVE

1. General Maps
2. Vietnam
3. Thailand
4. Hainan Sheng (China)
5. Cambodia
6. South China Sea

WHAT

1. Printed (1)

WHERE

1. China (1)
2. Hainan Sheng (China) (1)

WHO

1. Challamel, Pierre-Joseph, … (1)
2. Dufour, F., fl. 18--, eng … (1)
3. Dufrenoy, fl. 18--, print … (1)
4. Lassailly, Charles, fl. 1 … (1)

Less

WHEN

1. 1883 (1)