found: His An oration delivered at Warren July 4th, 1800:t.p. (Samuel Thatcher)
found: His An oration, pronounced July 4, 1796, at the request of the inhabitants of the town of Concord, 1796:(Samuel Thacher)
found: Biographical directory of the United States Congress, via WWW, Jan. 11, 2012(Thatcher, Samuel; lawyer; grad. Harvard 1793; studied law; admitted to the bar, 1797 and commenced practice at New Gloucester, Me.; moved to Warren, 1800; memb. Mass. House, 1801-11; member of U.S. Congress, 1802-5; sheriff, Lincoln Co., Me., 1814-21; member of Maine House, 1824; moved to Bangor, 1860; b. Cambridge, Mass., July 1, 1776; d. July 18, 1872, Bangor)
found: Google Books, via WWW, Jan. 11, 2012:Bangor historical magazine, v. 2, 1887, p. 220 (Hon. Samuel Thatcher, Jr.; of Warren and Bangor; lawyer; grad. Harvard 1793; studied law with Timothy Bigelow of Groton, Mass.; later active at New Gloucester and Warren, Me.; b. July 1, 1776, Cambridge, Mass., son of Samuel and Mary (Brown) Thatcher; m. Sarah Brown, dau. of Reuben and Molly Brown of Concord, Mass., Jan. 15, 1800; d. July 18, 1872, Bangor)
found: Cambridge, Mass. vital records(Samuel Thacher; son of Col. Samuel Thacher; bp. July 7, 1776)
found: America's Historical Newspapers, via WWW, Jan. 11, 2012:Boston gazette, 7-25-1796 (Samuel Thacher; M.A., Harvard)
found: Shattuck, L. History of the town of Concord, 1835, 1971:p. 222 (Samuel Thatcher; grammar school teacher at Concord, 1794)