1. Association of Official Agricultural Chemists. Official and Tentative Methods of Analysis. 9th ed. p. 643. Washington, D. C. 1960.
2. Efthymiou, C. C. M.S. thesis, University of Maryland, College Park. 1958.
3. Studies on Egyptian Domiati Cheese;Fahmi;J. Dairy Research,1950
4. The Chemical Composition, Nutritive Value, and a More Adequate Evaluation of Price Cost to the Consumer, of Cheeses Found in the American Market;Kaloyereas;Proc. Louisiana Academy Sci.,1952