1. Genetic and phenotypic parameters in the Fayoumi breed and their relation to the environment through breeding. Ph.D. Thesis;Abd El Gawad,1961
2. Heritability of egg and meat production qualities and their genetic and environmental relationships in New Hampshires;Dillard;Poultry Sci.,1953
3. The effect of induced hyperthyroidism on the genetics of growth in chicken;El-Ibiary;Poultry Sci.,1951
4. A study of feathering and its relationship to body size in Fayoumi chickens. M. Sc. Thesis;El-Masri,1959
5. Hereditary and environmental factors influencing chick weight at eight weeks. M. Sc. Thesis;Fagan,1949