REMOVE

1. Mongolia
2. Philippines
3. Hainan Sheng (China)
4. Myanmar
5. India

WHAT

1. Bonvalot, Gabriel, 1853-1 … (1)
2. Discoveries in geography (1)
3. Printed (1)
4. Thematic Maps (1)

More 

WHERE

1. Bay of Bengal (1)
2. China (1)
3. Hainan Sheng (China) (1)
4. Korea (1)

More 

WHO

1. Erhard Bros. (Firm), engr … (1)

WHEN

1. [ca. 1892] (1)