^Kohl (1856). Reisen in Canada und durch die Staaten von New-York und Pennsylvanien. University of Bern. p. 570.
^Julius Friedrich Sachse (1971). The German Sectarians of Pennsylvania: 1742–1800. New York Public Library. p. 528.
^ abHenry Harbaugh (1857). The Life of Rev. Michael Schlatter With a Full Account of His Travels and Labors Among the Germans in Pennsylvania, New Jersey, Maryland and Virginia; Including His Services as Chaplain in the French and Indian War, and in the War of the Revolution. 1716 to 1790. Lindsay and Blakiston. pp. xxii.
^Farley Grubb (2013). German Immigration and Servitude in America, 1709–1920. Lindsay and Blakiston. p. 419.
^Earl F. Robacker (1944). Pennsylvania Dutch Stuff A Guide to Country Antiques. University of Pennsylvania Press, Incorporated. p. 7.