GREG (Thomas). A System for Managing Heavy and Wet Lands without Summer Fallows; under which a Considerable Farm in Hertfordshire is kept Perfectly Clean, and made Productive.1813

London: Printed for James Ridgway. Third Edition, 76pp., folding engraved frontispiece (short tear along fold) and a folding engraved plate, closed-tear to title, some fraying to margins, light water-staining to text, orig. wrappers. With an appendix, pointing out how the infant turnip may be protected from insects by a critical application of lime; as presented to the Board of Agriculture the 30th of March 1813. Fussell III, p.83.