Geographic Subject
Africa
Great Britain
11
South Africa
4
Nigeria
3
Africa, East
2
Ghana
2
Kenya
2
6.260
1
Africa, Southern
1
Antarctica
1
Arabian Peninsula
1
Asia
1
British Somaliland
1
Congo (Democratic Republic)
1
France
1
Germany
1
India
1
Klondike River Valley (Yukon)
1
Namibia
1
Niger
1
Rhodesia
1
Rhodesia and Nyasaland
1
South America
1
Tanzania
1
Zambezi River Valley
1