Report of the plant pathologist and superintendent of southern California stations, July 1, 1906 to June 30, 1909 Smith, Ralph E. (Ralph Eliot), 1874-1953 creator text book Berkeley, Cal Agricultural Experiment Station 1909 1909
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ENG Cover title. Agricultural experiment stations California Plant diseases 630.7 Bulletin (California Agricultural Experiment Station), 203 https://www.biodiversitylibrary.org/bibliography/59376 10.5962/bhl.title.59376 RQF