1. Apple powdery mildew and its control in the Pajara Valley;Ballard;U.S. Dept. Agric. Bull.,1914
2. Ueber einige Sclerotinien und Sclerotinienkrankheiten;Bary de;Bot. Zeit.,1886
3. Bioletti, F. T. Referred to in Stevens, F. L., The Fungi that cause Plant Disease (1913), p. 181.
4. Studies in the physiology of parasitism. II. Infection by Botrytis cinerea;Blackman;Ann. Bot.,1916
5. Studies in the physiology of parasitism. I. The Action of Botrytis cinerea;Brown;Ann. Bot.,1915