1. Physiologic specialization in Phytophthora fragariae;Converse;Phytopathology,1962
2. Effect of inoculum level on the severity of tobacco black shank;Gooding;Phytopathology,1959
3. Physiologic races of Phytophthora fragariae;Hickman;Ann. appl. Biol.,1962
4. A new method of testing the pathogenicity of Phytophthora fragariae;Hickman;Nature, Lond.,1953
5. Races of and resistance to Phytophthora fragariae;McKeen;Pl. Dis. Reptr,1958