1. The Vegetable Proteins;Osborne,1924
2. The Principles of Plant Biochemistry;Onslow,1931
3. Handbuch der Pflanzenanalyse IV/1. Spezielle Analyse III. Julius Springer, Vienna, 1933.
4. Protein Metabolism in the Plant;Chibnall,1939
5. The Microbiological Assay of Amino Acids