Amy Whorf McGuiggian, “John Y. Newcomb, Wellfleet’s Most Famous Oysterman,”
https://provincetownindependent.org/history/2020/09/10/john-y-newcomb-wellfleets-most-famous-oysterman/

Pam Rice Blog, “Three Maps of Wellfleet: 1795, 1831, 1847”
https://south-wellfleet.com/2019/05/07/three-maps-of-wellfleet-1795-1831-1847/

Henry David Thoreau, Cape Cod
New York:  The Heritage Press, 1968. 

Henry David Thoreau, Walden New York:  E, P. Dutton, 1959.

Clare Leighton, Where Land Meets Sea: The Enduring Cape Cod.  Boston:  David R. Godine, 1982.