1. Effects of crossbreeding on production traits in dairy cattle;Brandt;J. Dairy Sci.,1966
2. Branton, C, R. E. McDowell, and M. A. Brown. 1966. Zebu-European crossbreeding as a basis of dairy cattle improvement in the USA. South. Coop. Ser. Bull., 114.
3. Analysis of Holstein milk composition data;Farthing,1967
4. Reproductive performance of purebred versus crossbred dairy cattle;Hollon;J. Dairy Sci.,1967
5. Hollon, B. F. 1967. Comparative performance of crossbred and Holstein cattle in a Louisiana dairy herd. Ph.D. thesis, Louisiana State University.