REMOVE

1. Somalia
2. Justus Perthes
3. Stieler, Adolf
4. Bar, J.C.

WHAT

1. World Atlas (3)
2. Atlas Map (2)
3. Composite Map (1)

WHERE

1. Arabian Peninsula (3)
2. East Africa (3)
3. Egypt (3)
4. Saudi Arabia (3)

WHO

1. Behrens, W. (3)
2. Berghaus, H. (3)
3. Edler (3)

WHEN

1. 1851 (2)
2. 1850 (1)
3. 1853 (1)