Geographic Subject
Africa
France
12
Algeria
5
Germany
4
Morocco
4
Sahara
4
Spain
4
Africa, North
3
Great Britain
3
Asia
2
Islamic Empire
2
Italy
2
Mali
2
Niger River
2
Africa, West
1
Arabian Peninsula
1
Djibouti
1
Egypt
1
England
1
Eritrea
1
German East Africa
1
India
1
Libya
1
London
1
Mauritania
1
Middle East
1
Nile River
1
Rio de la Plata (Argentina and Uruguay)
1
Socotra (Yemen)
1
Somalia
1
South Africa
1
South America
1
South Asia
1
Sri Lanka
1
Sudan
1
Sudan (Region)
1
Tunisia
1
Turkey
1
West Indies
1
Western Sahara
1