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Plant Pathology Department University of Minnesota and United States Department of Agriculture. Rusts of cereals: crosses for rust resistance. (Box 9, Folder 31)
Plant Pathology Department University of Minnesota and United States Department of Agriculture. Rusts of Cereals-Long and short necks, selection. (Box 9, Folder 28)
Plate Book, Emmons & Company, Newark, Wayne Co., New York
Plate Book, Knight & Bostwick, Nurserymen, Newark, New York
Plowing a field, St. Paul, Minnesota
Portrait of Carrie Eliza Hartley
Portrait of Irma Hartley
Portrait of Irma Hartley
Principal transportation routes of the world
Print shop