REMOVE

1. Arabian Peninsula
2. Edler
3. Behrens, W.

WHAT

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

WHERE

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

WHO

1. Bar, J.C. (3)
2. Berghaus, H. (3)
3. Justus Perthes (3)

WHEN

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