REMOVE

1. Cameroon
2. Barich
3. Stieler, Adolf
4. Domann

WHAT

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

WHERE

1. Gabon (2)
2. Nigeria (2)
3. Congo (1)
4. Democratic Republic Congo (1)

WHO

1. Haack, H. (2)
2. Justus Perthes (2)
3. Pensky (2)

WHEN

1. 1925 (1)
2. 1942 (1)
3. 1945 (1)