1. The Evaluation of Bull Semen;Bishop;Vet. Record,1955
2. Bratton, R. W., Shipman, K., and Foote, R. H. Estimating the Number of Spermatozoa in Bovine Semen by Measuring Its Opacity with a Photelometer. Routine Laboratory Procedure No. 4, Laboratory of Animal Breeding, Dept, of Animal Husbandry, Cornell University. 1955.
3. Detecting Treatment Effects on Conception Rate;Campbell;Nature,1954
4. A Study of Variation in Motility Estimations from Ampules of Frozen Semen;Dunn,1954
5. The Use of Estimated Variance Components in Design of Fertility Experiments with Bovine Semen;Dunn;J. Animal Sci.,1956