Jessakkidds are powerful and prestigious members of an Ojibiua religious society. Evidence of their appearance in eastern Maine - signaling anxiety among the Native peoples of the area - can be found in petroglyphs, etched in rock on the shores of Holmes Bay. In this article Roger B. Ray con nects the symbols in the Sprague-site petro glyphs with the turmoil at the end of the Laurentian Tradition way of life.
Ray, Roger B.. "Evidence of Jessakkidds at Machiasport." Maine History 33, 3 (1994): 202-209. https://digitalcommons.library.umaine.edu/mainehistoryjournal/vol33/iss3/3