1. The Microbiological Analysis of Butter
2. A holding test at room temperature as an indication of keeping quality of butter in storage;Jacobsen;S. Dak. Agr. Exp. Sta. Bul.,1937
3. The keeping quality of butter made under different conditions and stored at different temperatures;Gray;U. S. D. A. (B. A. I.) Bul.,1906
4. The manufacture of butter for storage;Rogers;U. S. D. A. (B. A. I.) Bul.,1912
5. The influence of salt on the changes taking place in storage butter;Washburn;Jour. Dairy Sci.,1917