Geographic Subject
Great Britain
67
United States
55
Egypt
21
India
15
Morocco
13
Cuba
10
South Africa
8
Indonesia
7
Tunisia
7
Hawaii
6
Missouri
6
Senegal
6
Cameroon
5
Cape of Good Hope
5
Cyprus
5
Europe
5
France
5
Iowa
5
Papua New Guinea
5
Washington (State)
5
Algeria
4
Asia
4
Botswana
4
Burma
4
Germany
4
Mauritius
4
Seychelles
4
Sudan
4
Zimbabwe
4
Bengal
3
Brazil
3
Canada
3
Congo (Democratic Republic)
3
Georgia
3
Guam
3
Haiti
3
Haïti
3
Ireland
3
Morocco (Spanish zone)
3
Oklahoma
3
Peru
3
Québec
3
Québec (Province)
3
Zambia
3
États-Unis
3
Africa
2
Burkina Faso
2
China
2
Confederate States of America
2
Developing countries
2
more ...