compiled & published by G.M. Hopkins & Co., Philadelphia, 1872. Assistant surveyors: H.W. Hopkins ... [et al.] Assistant publishers: Richard Clark [et al.] Engraved by Edward Busch. Reprinted.
1872 historical topographical atlas of the state of Pennsylvania : with descriptions and county histories, with maps of all counties and major cities, historical, scientific and statistical, together with a map of the United States and territories
Water powered grist mills of Lancaster County, Pennsylvania, 1750-1825 From the King's Continental, State and County tax and assessment lists at the Lancaster County Historical Society, 1971