Geographic Subject
Africa
Portugal
6
France
5
Great Britain
5
Congo (Democratic Republic)
4
Africa, West
3
Belgium
3
Côte d'Ivoire
3
Nigeria
3
Afrique
2
Developing countries
2
Guinea-Bissau
2
Aba (Abia State)
1
Africa, French-speaking West
1
Angola
1
Europe
1
Germany
1
Guinea
1
Katanga (Congo)
1
Malawi
1
Mashonaland
1
Mashonaland (Zimbabwe)
1
Namibia
1
Ruanda-Urundi
1
Sahara
1
Senegal
1
Spain
1
Tanzania
1
Western Sahara
1
Zimbabwe
1