Author
Nigeria
27
Great Britain. Colonial Office
18
Nigeria. Audit Dept
12
Kenya
9
Nigeria, Southern
8
Nigeria. Customs Dept
8
France
7
Western Region (Nigeria)
7
Belgian Congo
6
Great Britain. Foreign Office
6
Great Britain. Parliament
6
Human Trypanosomiasis Research Institute (Entebbe, Uganda)
6
Niger Coast Protectorate (Nigeria)
6
Northern Region of Nigeria (Nigeria)
6
Southern Cameroons
6
Tanganyika
6
Gambia
5
Gold Coast
5
Nigeria. Federal Education Department
5
Protectorate of Southern Nigeria (Nigeria)
5
Senegal
5
Southern Nigeria. Forestry Dept
5
Uganda
5
East Africa Protectorate
4
Eastern Region (Nigeria). Ministry of Education
4
Egypt. Maṣlaḥat ʻUmūm al-Iḥṣāʼ
4
Mozambique
4
Nigeria. Agricultural Dept
4
Nigeria. Dept. of Labour
4
Nigeria. Dept. of Statistics
4
Nigeria. Federal Ministry of Education
4
Nigeria. Prisons Department
4
Northern Provinces of Nigeria (Nigeria). Prisons Dept
4
South Africa. Bureau of Statistics
4
South-West Africa. Administrator's Office
4
Southern Nigeria. Agricultural Dept
4
Uganda Protectorate. Dept. of Co-operative Development
4
Uganda. Malaria Survey Unit
4
Zanzibar
4
Basutoland. Parliament. National Assembly
3
Belgium. Office colonial
3
Eastern Region (Nigeria). Forest Dept
3
Egypt. Maṣlaḥat al-Iḥṣāʼ wa-al-Taʻdād
3
French West Africa
3
Geological Survey of Nigeria
3
Lesotho. Bureau of Statistics
3
Mauritius. Central Statistical Office
3
Morocco. Maṣlaḥah al-Markazīyah lil-Iḥṣāʼīyāt
3
Mozambique. Repartição de Estatística
3
National Health Council (South Africa)
3
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