REMOVE

1. China
2. Thailand
3. Vietnam
4. 1883

WHAT

1. General Maps (1)
2. Printed (1)

WHERE

1. Cambodia (1)
2. Hainan Sheng (China) (1)
3. South China Sea (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)