Geographic Subject
South Africa
8
Africa
4
Portugal
3
Afrique du Sud
2
Angola
2
Congo (Democratic Republic)
2
Liberia
2
Sao Tome and Principe
2
United States
2
Africa, Central
1
Africa, East
1
Africa, North
1
Africa, Sub-Saharan
1
Asia
1
Cameroon
1
Congo (République démocratique)
1
Douala
1
Douala (Cameroon)
1
Equatorial Guinea
1
Guinea
1
Katanga
1
Malawi
1
Mauritius
1
Mozambique
1
Swaziland
1
São Tomé Island
1
Transvaal
1
Tunisia
1