1. Soils: how to handle and improve them Creator: Fletcher, Stevenson Whitcomb, 1875- Collection: Core Historical Literature of Agriculture Publisher: Doubleday, Page & Co., Publication Place: New York : Date: 1907 Format: Book
2. Soils: their properties, improvement, management, and the problems of crop growing and crop feeding Creator: Burkett, Charles William, 1873- Collection: Core Historical Literature of Agriculture Publisher: Orange Judd, Publication Place: New York : Date: 1907 Format: Book