"The Planters of the Commonwealth: 1620-1640 Passengers and Ships"
After April 11, 1638 "CONFIDENCE" of London (two hundred tons), John Gibson, Master. She sailed from Southampton the last of April, 'by vertue of the Lord Treasurers warrant of the 11th of April, 1638.'
The cited information was published by 13 Feb 2001, held in
Kirk Larson The author/originator was Banks, Charles Edward.