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Creator Personal Names
Wilson, H. A.
Remove constraint Creator Personal Names: Wilson, H. A.
All Creators
Purvis, Matthew Robert, 1929-
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All Subjects
Fire-blight.
Remove constraint All Subjects: Fire-blight.
Subject Topical
Bacteriology, Agricultural.
Remove constraint Subject Topical: Bacteriology, Agricultural.
Subject Topical
Fire-blight.
Remove constraint Subject Topical: Fire-blight.
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