Source Information

Ancestry.com. An address delivered in Petersham, Massachusetts, July 4, 1854 [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.
Original data: Willson, E. B.. An address delivered in Petersham, Massachusetts, July 4, 1854, in commemoration of the one hundredth anniversary of the incorporation of that town. Boston: Crosby, Nichols, and Co., 1855.