1Irvin David Hess (compiler), John (Hans) Hess of Lancaster County, Pennsylvania and his Descendants., Yuma, Arizona, 1977, pg. 5.
1A Geneology of the Hess Family 1536-1998, Register Report created by Leister Production, Inc., pg. 11.
"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. 6.
1King, Carl F., Compiler, Register Chart for Hans Hess "John", P.O. Box 743, Athena, OR., pg. 2.
1Irvin David Hess (compiler), John (Hans) Hess of Lancaster County, Pennsylvania and his Descendants., Yuma, Arizona, 1977, pg. 8.
1Reinhold, Richard, Email concerning the Rev. Abraham Z. Hess family., Email: August 20, 2000 (in R. A. Hess files.
1Irvin David Hess (compiler), John (Hans) Hess of Lancaster County, Pennsylvania and his Descendants., Yuma, Arizona, 1977, pg. 4.