- [S151] Wikipedia. Online https://en.wikipedia.org (176)
- [S152] WorldCat.org. Online https://www.worldcat.org/ (174)
- [S153] WorldConnect database 'wprokasy'; author William Prokasy; url=http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?db=wprokasy. (162)
- [S154] York County Maine deed transcriptions on NEHGS website database "Maine: Early Wills & Deeds", based on CD "Early Maine deeds & wills ed. Jennifer P. Moss, publ. NEHGS 2006, based on William M. Sargent's Maine wills 1640-1760, published in 1887, and York deeds, published between 1887 and 1910...".. (53) York-Co-Deeds.pdf
- [S155] York Deeds, Book I. Publ. Portland, John T. Hull, 1887. Viewed URL: https://archive.org/details/yorkdeeds00main (58)