REMOVE

1. World Atlas
2. Kramer
3. Eberhardt, H.
4. Petermann, A.

WHAT

1. Atlas Map (2)

WHERE

1. Afghanistan (1)
2. Asia (1)
3. Kazakhstan (1)
4. Mongolia (1)
5. Russia (1)

WHO

1. Berghaus (2)
2. Justus Perthus (2)
3. Kuhn, E. (2)

WHEN

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