"The Brothers Ralph and William Sprague: And some of their Descendants" @ 63:150
The cited information was published by 13 Feb 2001, held in
Kirk Larson
(Ref: 63:150) The author/originator was Sprague, Frank William.
References (2)
Parent Source:
"The Brothers Ralph and William Sprague: And some of their Descendants"
Individual:
John Sprague