Davis, Betsey Warren, The Warren, Jackson and allied families, being the ancestry of Jesse Warren and Betsey Jackson. Philadelphia: Printed for private circulation by J.B. Lippincott Co., 1903.

Available on the Internet Archive (above link) or on Ancestry. com:

Ancestry.com. The Warren, Jackson and allied families, being the ancestry of Jesse Warren and Betsey Jackson [database on-line]. Provo, UT: The Generations Network, Inc., 2005.