REMOVE

1. Yunnan Sheng (China)
2. Guangdong Sheng (China)

WHAT

1. Atlas Map (1)
2. World Atlas (1)

WHERE

1. Laos (1)
2. Vietnam (1)

WHO

1. Hassel, S. G. H., 1779-18 … (1)
2. Ode, Henri (1)
3. Ph. Vandermaelen (1)
4. Vandermaelen, Philippe, 1 … (1)

WHEN

1. 1827 (1)