1. Crop production and environment Creator: Whyte, R. O. 1903- Collection: Core Historical Literature of Agriculture Publisher: Faber and Faber Limited Publication Place: London, Date: 1946 Format: Book
2. Vegetable gums and resins Creator: Howes, F. N. 1901-1973. Collection: Core Historical Literature of Agriculture Publisher: Chronica Botanica Co., Publication Place: Waltham, Mass. : Date: 1949 Format: Book
3. Economic plants Creator: Stanford, Ernest Elwood, 1888- Collection: Core Historical Literature of Agriculture Publisher: D. Appleton-Century Co., Inc., Publication Place: London : Date: 1934 Format: Book