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Creator Personal Names
Wilson, H. A.
Remove constraint Creator Personal Names: Wilson, H. A.
All Subjects
Bacteriology, Agricultural.
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All Subjects
Beans--Diseases and pests.
Remove constraint All Subjects: Beans--Diseases and pests.
Subject Topical
Fire-blight.
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Subject Topical
Plant exudates.
Remove constraint Subject Topical: Plant exudates.
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