REMOVE

1. Discoveries in geography
2. Mongolia
3. Bay of Bengal
4. India
5. South China Sea
6. Erhard Bros. (Firm), engrave …

WHAT

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

WHERE

1. China (1)
2. Hainan Sheng (China) (1)
3. Korea (1)

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WHO

1. Erhard Bros. (Firm), engr … (1)

WHEN

1. [ca. 1892] (1)