1. Studies in Food Allergy. II. Sensitization of Fresh Fruits—Clinical and Experimental Observations;Tuft;J. Allergy,1942
2. Protein-Digesting Enzymes of Papaya and Pineapple;Balls;U. S. Dept. Agriculture, Washington, D. C., Circular No. 631,1941
3. Isolation and Properties of Crystalline Papain;Balls;J. Biol. Chem,1939
4. Drying of Papaya Latex;Balls;Indust. and Engin. Chem. (Indust. Ed.),1940
5. Bromelin: Properties and Commercial Production;Balls;Indust. and Engin. Chem. (Indust. Ed.),1941