1. Coccidiosis today;Carpenter;American Poultry Journal, June,1939
2. Sulphur for coccidiosis;Dickinson;The Eggaminer, 15 :7-10. Pacific Coöp. Poultry Prod. Portland.,1939
3. Sulphur in the control of external parasites in chickens;Emmel;Journal A.V.M.A.,1937
4. Observations on capillaria contorta in turkeys;Emmel;Journal A.V.M.A.,1939
5. A textbook of inorganic chemistry;Friend;8 :1-431. Published by Charles Griffin and Company, Limited, London.,1931