Source Information

Ancestry.com. the one hundred and seventy-fifth anniversary of the incorporation of the town of Petersham, Worcester County, Massachusetts [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2004.
Original data: Woolsey, John Munro,. Address delivered on July 4, 1929, on the one hundred and seventy-fifth anniversary of the incorporation of the town of Petersham, Worcester County, Massachusetts. New York: Pandick Press, 1990.