William Wyman Fiske, FASG, “The Whipple Family of Bishops Stortford, Hertfordshire: Proposed Ancestral Origin of Matthew Whipple of Bocking, Essex, and a Whipple Ancestral Line for Arthur Gary of Roxbury, Massachusetts,”, in The Genealogist (American Society of Genealogists). (New York, New York: Organization for the Promotion of Scholarship in Genealogy, 1980-) 20:191-217, Fall 2006.
Joseph Whipple married first to Sarah Unknown who died 16 Jul 1676 and married second Sarah Unknown who was living 1709.