1. Cancer and diet: with facts and observations on related subjects. Creator: Hoffman, Frederick L. 1865-1946. Collection: Core Historical Literature of Agriculture Publisher: Williams & Wilkins, Publication Place: Baltimore : Date: 1937 Format: Book
2. Conservation of the soil Creator: Gustafson, Axel Ferdinand, 1880- Collection: Core Historical Literature of Agriculture Publisher: McGraw-Hill, Publication Place: London : Date: 1937 Format: Book