Source Information

Ancestry.com. An oration delivered at the commemoration of the two hundred and fiftieth anniversary of the settlement of Haverhill, Mass. [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2004.
Original data: Duncan, Samuel White,. An oration delivered at the commemoration of the two hundred and fiftieth anniversary of the settlement of Haverhill, Massachusetts : July second and third, 1890. Boston: J.G. Cupples, printer, 1990.