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
Map of the public roads in Lancaster County, Pennsylvania : constructed from actual surveys made under direction of the State Highway Department by authority of an Act of Assembly approved May 1, 1905
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