1. Anonymous. 1976. Spotlight on sires. Page 7 in The Red Bloodlines. Nov. 1976.
2. Stability of proofs for Holstein bulls sampled under limited and multiherd conditions;Cassell;J. Dairy Sci.,1976
3. Dairy Herd Improvement Letter. 1974. ARS, 50-2, April.
4. Procedures used to calculate the USDA-DHIA modified contemporary comparison;Dickinson;USDA Prod. Res. Rep.,1976
5. Bull's daughters vary;Mao;Hoard's Dairyman,1976