1. Report of the Plant Breeder;Burton;Ann. Rept., Dept. of Agric., Kenya,1928
2. The culture of cereal rusts in the greenhouse;Fromme;Bull. Torrey Club,1913
3. Biometrical studies on the variation of physiologic forms of Puccinia graminis Tritici and the effects of ecological factors on the susceptibility of wheat varieties;Levine;Phytopathology,1928
4. Biometrical studies on the variation of physiologic forms of Puccinia graminis Tritici and the effects of ecological factors on the susceptibility of wheat varieties;Levine;Phytopathology,1928
5. A third biologic form of Puccinia graminis on wheat;Levine;Journ. Agric. Res.,1918