REMOVE

1. Berghaus%2C Heinrich
2. Webster%2C Thomas
3. Fischer%2C Joseph

WHAT

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

WHERE

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

WHO

1. Berghaus, H. (1)
2. Eberhardt, H. (1)
3. Justus Perthus (1)
4. Kramer, A. (1)
5. Kuhn, E. (1)

WHEN

1. 1880 (1)
2. 1881 (1)