*John Paul Von Grueningen, "The Swiss In The United States: A Compilation Prepared for the Swiss-American Historical Society as the Second Volume of Its Publications", Swiss-American Historical Society, 1940, reprinted for Clearfield Co. by Genealogical Pub.
* John Paul Von Grueningen, "The Swiss In The United States: A Compilation Prepared for the Swiss-American Historical Society as the Second Volume of Its Publications", Swiss-American Historical Society, 1940, reprinted for Clearfield Co. by Genealogical Pub.