REMOVE

1. Oman
2. Somalia
3. Poppey, C.
4. Berghaus, Herm.

WHAT

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

WHERE

1. Egypt (1)
2. Northeast Africa (1)
3. Saudi Arabia (1)

WHO

1. Eberhardt, H. (1)
2. Justus Perthus (1)
3. Kramer, A. (1)
4. Kuhn, E. (1)

WHEN

1. 1881 (1)