Walker, J. C. Diseases of vegetable crops / - [Ann Arbor, Mich. : Edwards Brothers, inc., 1944 [c1939] - 2 p. l., 67 numb. l. ; 28 cm. x 22 cm Photo-lithoprint reproduction of author's manuscript Subjects--Topical Terms: VegetablesPlant diseases Dewey Class. No.: 635 EDW 1944 C143 Or.