1. Estimation of heritability and repeatability of milk and milk fat production with selection effects removed;Butcher;J. Dairy Sci.,1969
2. Butcher, K. R. 1973. Estimating son's progeny test for milk yield from information on his sire, dam and maternal grandsire. Ph.D. Thesis, North Carolina State University, Raleigh.
3. First, second, and third records of a cow to estimate superiority of her daughters;Deaton;J. Dairy Sci.,1964
4. Effectiveness of selection on progeny performance as a supplement to earlier culling in livestock;Dickerson;J. Agr. Res.,1944
5. Revisions to USDA methodology for sire summaries and cow indexes;Dickinson;J. Dairy Sci.,1973