REMOVE

1. Oman
2. Egypt

WHAT

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

WHERE

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

WHO

1. Berghaus, Herm. (1)
2. Cumming, J. (1)
3. Eberhardt, H. (1)
4. Heywood, A. (1)
5. James MacLeod and Francis … (1)

WHEN

1. 1848 (1)
2. 1881 (1)