51. Industrial prosperity and the farmer Creator: Engberg, Russell Carl, 1894- Collection: Core Historical Literature of Agriculture Publisher: The Macmillan Company, Publication Place: New York : Date: 1927 Format: Book
52. By-products in the packing industry Creator: Clemen, Rudolph Alexander. Collection: Core Historical Literature of Agriculture Publisher: The University of Chicago Press, Publication Place: Chicago, Ill. : Date: 1927 Format: Book