Davidson, Alan Joseph and Janet Elizabeth Roche Davidson. Vestigia Nulla Retrorsum: Never a Step Backwards. A Family History. Dog Ear Publishing: Indianapolis, Indiana. 2014. ISBN: 978-1-4575-2297-0.
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Mrs. Lydia Zehring Binkerd Dayton and Montgomery County, Resources and People 1932 v. 4, pg. 166, married Jacob Studebaker Binkerd