1. Experiments on inbreeding poultry;British Ministry of Agriculture and Fisheries;Bull.,1934
2. Some genetic aspects of hatchability;Byerly;Poultry Sei:,1934
3. Preliminary report of an experiment on close inbreeding;Cole;Jour. Amer. Assn. Instr. Invest, in Poul. Husb.,1916
4. Results of eight years of inbreeding Rhode Island Reds;Cole;Anat. Ree.,1922
5. On the sterility of hybrids between the pheasant and the Gold Campine fowl;Cutler;Jour. Gen.,1918