1. Irrigated soils: their fertility and management Creator: Thorne, David Wynne, 1908- Collection: Core Historical Literature of Agriculture Publisher: [Blakiston Co., Publication Place: Philadelphia : Date: 1949 Format: Book
2. Moisture requirements in agriculture: farm irrigation Creator: Roe, Harry Burgess, b. 1876. Collection: Core Historical Literature of Agriculture Publisher: McGraw-Hill, Publication Place: New York : Date: 1950 Format: Book