REMOVE

1. China
2. South China Sea
3. India
4. Korea
5. Erhard Bros. (Firm), engrave …

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. Hainan Sheng (China) (1)

More 

WHO

1. Erhard Bros. (Firm), engr … (1)

WHEN

1. [ca. 1892] (1)