His The world's teachers. A poem, delivered at the semi-annual examination of the Bridgewater State Normal School, 1859 t.p. (John W. Chadwick, Jr., of Marblehead)
Appletons' cyclopaedia of Amer. biog., 1888 (Chadwick, John White; clergyman; grad. Harvard Divinity School 1864; pastor 2d Unitarian Society in Brooklyn; frequent contributor to Unitarian journals; b. Marblehead, Mass. 19 Oct. 1840)