1. The structure of the fowl;Bradley,1960
2. Congenital anomalies of domestic fowl: seven cases;Grewal;Avian Dis.,1976
3. Skeletal abnormalities in domestic chicken;Grewal;Avian Dis.,1978
4. Pathology of development and metabolic disorders of the skeleton of domestic chickens and turkeys. 1. Abnormalities of genetic or unknown etiology;Riddell;Vet. Bull.,1975