1. The principles of agronomy: a text-book of crop production for high-schools and short-courses in agricultural colleges Creator: Harris, Franklin Stewart, 1884-1960. Collection: Core Historical Literature of Agriculture Publisher: Macmillan, Publication Place: New York : Date: 1915 Format: Book
2. Soils and plant life as related to agriculture Creator: Cunningham, Jules Cool, 1879- Collection: Core Historical Literature of Agriculture Publication Place: New York : Macmillan, Date: 1915 Format: Book
3. Electricity for the farm: light, heat and power by inexpensive methods from the water wheel or farm engine Creator: Anderson, Frederick Irving, 1877-1947. Collection: Core Historical Literature of Agriculture Publisher: The Macmillan Company, Publication Place: New York : Date: 1915 Format: Book