REMOVE

1. Arabian Peninsula
2. Saudi Arabia
3. Edler
4. Behrens, W.

WHAT

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

WHERE

1. East Africa (3)
2. Egypt (3)
3. 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)