Durand Escheverria, A History of Billingsgate.  Wellfleet Mass.: Wellfleet Historical Society, 1961.

Henry David Thoreau, Cape Cod

New York:  The Heritage Press, 1968.

Pam Rice Blog, “Three maps of Wellfleet:  1795, 1831, 1847.”

https://www.digitalcommonwealth.org/search/commonwealth:2227nh08zhttps://south-wellfleet.com

Everett Nye, A History of Wellfleet Early Days to the Present Times.   Hyannis, Mass., F.B. & F.P. Goss Printers, 1920.

Cuffee Family Genealogy

Delilah Gibbs, “The Last Indian”?

https://www.wellfleethistoricalsociety.org/news/2021/8/7/delilah-gibbs-the-last-indian-1

ancestry.com (census data)

Map of Barnstable County, Massachusetts 1858 by H.F. Walling.

National Register of Historic Places

https://npshistory.com/publications/caco/nr-john-newcomb-house.pdf