Poisson, H.; Pan-African Agricultural and Veterinary Conference (1929 : Pretoria, South Africa)(Union of South Africa, Dept. of Agriculture; Pretoria : University of Pretoria, Dept. of Library Services (Digital publisher), 1930)
Doherty, A.G.; Pan-African Agricultural and Veterinary Conference (1929 : Pretoria, South Africa)(Union of South Africa, Dept. of Agriculture; Pretoria : University of Pretoria, Dept. of Library Services (Digital publisher), 1930)
Daubney, R.; Pan-African Agricultural and Veterinary Conference (1929 : Pretoria, South Africa)(Union of South Africa, Dept. of Agriculture; Pretoria : University of Pretoria, Dept. of Library Services (Digital publisher), 1930)
Poisson, H.; Pan-African Agricultural and Veterinary Conference (1929 : Pretoria, South Africa)(Union of South Africa, Dept. of Agriculture; Pretoria : University of Pretoria, Dept. of Library Services (Digital publisher), 1930)
Viljoen, P.R.; Pan-African Agricultural and Veterinary Conference (1929 : Pretoria, South Africa)(Union of South Africa, Dept. of Agriculture; Pretoria : University of Pretoria, Dept. of Library Services (Digital publisher), 1930)
Smith, J.; Pan-African Agricultural and Veterinary Conference (1929 : Pretoria, South Africa)(Union of South Africa, Dept. of Agriculture; Pretoria : University of Pretoria, Dept. of Library Services (Digital publisher), 1930)
Andrews, W.H.; Pan-African Agricultural and Veterinary Conference (1929 : Pretoria, South Africa)(Union of South Africa, Dept. of Agriculture; Pretoria : University of Pretoria, Dept. of Library Services (Digital publisher), 1930)
Poisson, H.; Pan-African Agricultural and Veterinary Conference (1929 : Pretoria, South Africa)(Union of South Africa, Dept. of Agriculture; Pretoria : University of Pretoria, Dept. of Library Services (Digital publisher), 1930)