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Creator Personal Names
Black, W.
Remove constraint Creator Personal Names: Black, W.
Creator Personal Names
Gallegly, M. E. (Mannon E.)
Remove constraint Creator Personal Names: Gallegly, M. E. (Mannon E.)
All Subjects
Potatoes--Diseases and pests.
Remove constraint All Subjects: Potatoes--Diseases and pests.
Subject Topical
Phytophthora infestans.
Remove constraint Subject Topical: Phytophthora infestans.
Subject Topical
Potatoes--Diseases and pests.
Remove constraint Subject Topical: Potatoes--Diseases and pests.
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