A cycle of eighteen years in the seasons of Britain deduced from meteorological observations made at Ackworth, in the West Riding of Yorkshire, from 1824 to 1841 - Howard, Luke (J. Ridgway, 1842)
"With five plates.". - Goldsmiths'-Kress no. 32606. - OCLC, 18214397. - Reproduction of original from Goldsmiths' Library, University of London