Geographic Subject
Africa
Great Britain
6
France
5
Portugal
4
Italy
3
Africa, West
2
Afrique
2
Belgium
2
Congo (Democratic Republic)
2
Côte d'Ivoire
2
Developing countries
2
Middle East
2
Nigeria
2
Somalia
2
Spain
2
Western Sahara
2
Aba (Abia State)
1
Angola
1
Cuba
1
Djibouti
1
Eritrea
1
Europe
1
Germany
1
Guinea-Bissau
1
India
1
Islamic Empire
1
Kenya
1
Liberia
1
Libya
1
Malawi
1
Mashonaland
1
Mashonaland (Zimbabwe)
1
Mauritania
1
Namibia
1
Ruanda-Urundi
1
Sahara
1
Socotra (Yemen)
1
Soviet Union
1
Sudan
1
Tanzania
1
Turkey
1
United States
1
Zimbabwe
1