"The Planters of the Commonwealth: 1620-1640 Passengers and Ships"
Spring 1634, "HERCULES". John Witherley, Master, sailed in the spring of this year, and is probably the "Hercules" `of Dover' mentioned by Winthrop as being here in the summer.'
The cited information was published by 13 Feb 2001, held in
Kirk Larson The author/originator was Banks, Charles Edward.