REMOVE

1. Egypt
2. Somalia
3. Bar, J.C.
4. Berghaus, H.

WHAT

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

WHERE

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

WHO

1. Behrens, W. (3)
2. Edler (3)
3. Justus Perthes (3)

WHEN

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