↑ 1.01.11.21.3 Eagleson, Pamela S. "The Art, Trade, and Mystery of a Mariner: Captain William Greenway of Philadelphia, Mariner and Patriot.", in National Genealogical Society Quarterly (National Genealogical Society) Vol. 92 (Dec 2004): 285-300.
See the article for details of the extensive sources cited.