REMOVE

1. Discoveries in geography
2. Bay of Bengal
3. Mongolia
4. Korea
5. China
6. South China Sea

WHAT

1. Bonvalot, Gabriel, 1853-1 … (1)
2. Printed (1)
3. Thematic Maps (1)

WHERE

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

More 

WHO

1. Erhard Bros. (Firm), engr … (1)

WHEN

1. [ca. 1892] (1)