Map by David Bamberger. Resources: "Paradise, Our Heritage, Our Home" by Robert C. Denlinger; "The Story of the Ferree Family" by Emory Schuyler Ferree; "The Ferree Family Gunsmiths" by George Bennett Ferree; "Lancaster County, Pennsylvania, Street Map Book", Alexandria Drafting Company (ADC The Map People); "Leola, Pennsylvania" (1999), "New Holland, Pennsylvania" (1999), "Quarryville, Pennsylvania" (1992), and "Gap, Pennsylvania" (1994) 7.5 Minute Maps produced by United States Geological Survey in cooperation with Pennsylvania Department of Conservation and Natural Resources, Bureau of Topographic and Geologic Survey.