1A Geneology of the Hess Family 1536-1998, Register Report created by Leister Production, Inc., pg. 12.
"A Geneology of the Hess Family 1536-1998.".2Irvin David Hess (compiler), John (Hans) Hess of Lancaster County, Pennsylvania and his Descendants., Yuma, Arizona, 1977, pg. 2.