REMOVE

1. Mongolia
2. Korea
3. Myanmar
4. China
5. Erhard Bros. (Firm), engrave …

WHAT

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

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WHERE

1. Bay of Bengal (1)
2. Hainan Sheng (China) (1)
3. India (1)
4. Philippines (1)
5. South China Sea (1)
6. Taiwan (1)

WHO

1. Erhard Bros. (Firm), engr … (1)

WHEN

1. [ca. 1892] (1)