Plant pathology, problems and progress, 1908-1958 / Edited by C. S. Holton [and others] American Phytopathological Society. Holton, Charles Stewart, ed. Plant diseases. SB731 .A5 632 HOP "Golden jubilee volume." Includes bibliographical references and index. Allahbad : Centrak book, 1959. 1959. 1959 Text xix, 588 p. : eng