1. Arora, C.L. and Acharya, R.M., 1971. Transferrin polymorphism in Indian sheep. Indian J. Expl. Biol. 9: 209–211.
2. Ashton, G.C., 1958. Further β-globulin phenotypes in sheep. Nature. 182: 1101–1102.
3. Dogrul, F., 1985. Transferrin and haemoglobin types in different sheep breeds. J. Etlik Vet. and Ani. Sci. 5: 61–73.
4. Fesus, L., 1972. Apparent distributed segregation at the haemoglobin and transferrin loci in Hungarian Merino sheep. Proc.xiith Europ. Conf. Anim. Blood Groups Biochemical Polymorphism. pp 567–573.
5. Ghatak, S., 2001. Haemoglobin and Transferrin polymorphism in four breeds of sheep and their association with certain economic traits. M.V.Sc. thesis submitted to W.B.U.A.F.Sc., West Bengal.