REMOVE

1. World
2. Antarctica
3. Justus Perthes

WHAT

1. Atlas Map (2)
2. Geology (1)
3. Physical (1)
4. Physical Atlas (1)
5. World Atlas (1)

WHERE

1. Arctic (1)

WHO

1. Alt, H. (1)
2. Berghaus, Heinrich (1)
3. Berghaus, Hermann (1)
4. Debes, Ernst (1)

WHEN

1. 1875 (1)
2. 1886 (1)
3. 1892 (1)