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Creator Personal Names
Leach, J. G. (Julian Gilbert), b. 1894.
Remove constraint Creator Personal Names: Leach, J. G. (Julian Gilbert), b. 1894.
Creator Personal Names
Purvis, Matthew Robert, 1929-
Remove constraint Creator Personal Names: Purvis, Matthew Robert, 1929-
All Subjects
Beans--Diseases and pests.
Remove constraint All Subjects: Beans--Diseases and pests.
All Subjects
Plant exudates.
Remove constraint All Subjects: Plant exudates.
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