1. Dudley, F. J., and M. S. Pease, 1948. Experiments in topcrossing poultry. Proc. Eight World's Poultry Cong. (Copenhagen): 285–290.
2. Topcross testing for broiler production;Glazener;Poultry Sci.,1951
3. Progeny of inbred and non-inbred Rhode Island Red males;Hays;Poultry Sci.,1935
4. Strains of White Plymouth Rocks for specific economic purposes;Jaap;Poultry Sci.,1943
5. The effect of inbreeding and of selection within inbred lines of maize upon the hybrids made after successive generations of selfing;Jenkins;Iowa State College J. Sci.,1935