1. Introduction to production economics Creator: Black, John D. 1883-1960. Collection: Core Historical Literature of Agriculture Publisher: H. Holt and Company, Publication Place: New York : Date: 1926 Format: Book
2. Farm management Creator: Black, John D. 1883-1960. Collection: Core Historical Literature of Agriculture Publisher: Macmillan, Publication Place: New York : Date: 1947 Format: Book
3. Food enough Creator: Black, John D. 1883-1960. Collection: Core Historical Literature of Agriculture Publisher: The Jaques Cattell Press, Publication Place: Lancaster, Pa. : Date: 1943 Format: Book