1. Some Production Characteristics of Native Cattle, Friesian, Shorthorn and Their Crosses in Egypt;El-itriby;Empire J. Exptl. Agr.,1958
2. A Report on the Milk of the Dar-es-Salaam Grade Friesian Herd;French;Rept. Dept. Vet. Sci. Tanganyika,1938
3. The Breeding and Artificial Insemination of Dairy Cows in Trinidad;Harrison;B. W. I. Trop. Agr. (Trinidad),1944
4. Analysis of Milk Yields of Montgomery and Crossbred Ayrshire-Montgomery Cows from the Pusa Pedigree Dairy Herd;Henderson;Ibid.,1928
5. Crossing of Zebu with Northern Breeds of Cattle in Jamaica;Howe;J. Dairy Sci.,1946