REMOVE

1. Book Map
2. Exploration Book
3. Nebraska
4. South Dakota

WHAT

1. Atlas Map (1)
2. World Atlas (1)

WHERE

1. China (1)
2. Japan (1)
3. Korea (1)
4. Tibet (1)

WHO

1. Bar, J.C. (1)
2. Berghaus, H. (1)
3. Edler (1)
4. Justus Perthes (1)
5. Metzeroth, C. (1)

WHEN

1. 1850 (1)
2. 1853 (1)