1. Peat and its uses: as fertilizer and fuel Creator: Johnson, Samuel William, 1830-1909. Collection: Core Historical Literature of Agriculture Publisher: O. Judd & Company, Publication Place: New York : Date: 1866 Format: Book
2. The spirit of the soil, or, An account of nitrogen fixation in the soil by bacteria and of the production of auximones in bacterized peat Creator: Knox, Gordon D. Collection: Core Historical Literature of Agriculture Publisher: Van Nostrand, Publication Place: New York : Date: 1916 Format: Book