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You searched for: All Creators Purvis, Matthew Robert, 1929- Remove constraint All Creators: Purvis, Matthew Robert, 1929- All Creators Wilson, H. A. Remove constraint All Creators: Wilson, H. A. All Subjects Beans--Diseases and pests. Remove constraint All Subjects: Beans--Diseases and pests. Subject Topical Bacteriology, Agricultural. Remove constraint Subject Topical: Bacteriology, Agricultural.

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