REMOVE

1. Korea
2. Hainan Sheng (China)
3. Myanmar
4. Philippines
5. [ca. 1892]

WHAT

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

Less

WHERE

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

More 

WHO

1. Erhard Bros. (Firm), engr … (1)

WHEN

1. [ca. 1892] (1)