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Leach, J. G. (Julian Gilbert), b. 1894.
Remove constraint All Creators: Leach, J. G. (Julian Gilbert), b. 1894.
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Wilson, H. A.
Remove constraint All Creators: Wilson, H. A.
Subject Topical
Bacteriology, Agricultural.
Remove constraint Subject Topical: Bacteriology, Agricultural.
Subject Topical
Fire-blight.
Remove constraint Subject Topical: Fire-blight.
Subject Topical
Polysaccharides.
Remove constraint Subject Topical: Polysaccharides.
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