Author
Guatemala
8
Kenya
6
Mauritius
6
Algeria
5
Zanzibar
5
Australia
4
France
4
Iraq
4
Martinique
4
Mozambique
4
Nicaragua
4
Senegal
4
Tunisia
4
Bolivia
3
French Equatorial Africa
3
Gambia
3
Honduras
3
Iran
3
Japan
3
Mexico
3
Panama
3
Soviet Union
3
Thailand
3
Trinidad and Tobago
3
Venezuela
3
Vietnam (Republic)
3
Aden
2
Antigua and Barbuda
2
Austria
2
Bahamas
2
Bechuanaland Protectorate
2
Belgium
2
Belize
2
Brazil
2
Brazil. Departamento de Imprensa Nacional
2
British Guiana
2
British Honduras
2
Cambodia
2
Chile
2
Colombia
2
Comoros
2
Costa Rica
2
Cuba
2
Ethiopia
2
Fiji
2
Gibraltar
2
Great Britain. High Commission for South Africa
2
Haiti
2
Hungary
2
Iran. Vizārat-i Dādgustarī
2
more ...