1. Effect of crossing Fayoumi fowl with Light Sussex and Rhode Island Red. M. Sc. Thesis;Abd El Gawad,1955
2. A contribution to the introduction of standard breeds of poultry to Egypt. M. Sc. Thesis;Amer,1956
3. A study of egg size in Fayoumi and some imported breeds of poultry. Ph.D. Thesis;Amer,1959
4. Annual egg production and mode of laying in Fayoumi and some standard breeds of chickens;Amer;Alexandria J. Agric. Res.,1964
5. Effect of crossing on egg production characters in chickens;Badrel Din;Bull., College of Philippines, Univ. of Philippines,1959