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You searched for: Creator Personal Names Barnett, H. L. (Horace Leslie), 1909- Remove constraint Creator Personal Names: Barnett, H. L. (Horace Leslie), 1909- Creator Personal Names Lilly, Virgil Greene, b. 1900. Remove constraint Creator Personal Names: Lilly, Virgil Greene, b. 1900. All Subjects Plant diseases. Remove constraint All Subjects: Plant diseases. All Subjects Plant spores. Remove constraint All Subjects: Plant spores. Subject Topical Plant diseases. Remove constraint Subject Topical: Plant diseases.

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