1. Chemistry of butter and butter making II. The nature of the fatty materials in buttermilk and the significance of certain buttermilk testing methods;Bird;Iowa Agr. Exp. Sta. Res. Bull.,1935
2. Chemistry of butter and butter making IV. The relationships among the cream acidity, the churning loss and the churning time;Bird;Iowa Agr. Exp. Sta. Res. Bull.,1937
3. Phosphorus in butter;Cusick,1920
4. The effect of lecithin in dairy products upon butterfat determinations;Chapman;J. Dairy Sci.,1928
5. The phospholipids in milk. I. Their distribution among some milk products;Holm;J. Dairy Sci.,1933