"Britton Family Records"; Un-published records and notes collected, verified and compiled by Carol M. Newcomer.
"Civil War Pension Records of Christopher Britton, Battery G, 1st Michigan Artillary"; National Archive records.
"Civil War Pension Records of Quincy M. Britton, Co. D, 11th Michigan Cavalry"; National Archive records.
"History of Westmoreland (Great Meadow) New Hampshire, 1741-1970, And Genealogical Data"; Westmoreland History Com., Westmoreland, NH; (1976); pgs. 348 - 355, 486 - 488; (Cheshire Co., NH)
Marriage Record of William Britton & Mary Latham, Aug. 10, 1766, Westmoreland, N.H.
"Vital Records of Taunton, Massachusetts to the Year 1850, Vol II Marriages"; NEGS, Boston Mass; (1928) pg. 69-70
"Mayflower Families Through Five Generations", Vol. Two (Robert M. Sherman, Editor; General Society of Mayflower Descendants; (1978)), pg. 84.
Civil War (General historical sources.)
"Abraham Lincoln: The Prairie Years And the War Years", Carl Sandburg, Reader's Digest, 1970
Civil War Battles by State (National Park Service) http://www.nps.gov/history/hps/abpp/battles/bystate.htm
Michigan in the Civil War (http://www.michiganinthewar.org/)
Ohio in the Civil War (http://www.ohiocivilwar.com/)
"The Civil War: A Pictorial Profile"; John S. Blay; Thomas Crowell Company (New York; 1958)
"A Record of One Branch of the Newcomer Family" by James K. Newcomer (Great Grand Son of Ulrich Neukommer) Urbana, Ohio, 1882
“Early Newcomers of Lancaster County” by Virginia N. Lane, Mennonite Family History, Vol. II, No. 3; July 1983)
"History of Fulton County (Ohio)"; Vol. I; Frank H. Reighard, Editor; Lewis Publishing Co., NY; (1920); photocopy of pages 203-205
"Local men who fought in early American Wars"; "Digging for your roots"; Jana Sloan Broglin; The Toledo Blade; May 1997; Toledo, Ohio
"Family Records Found in the Family Bible of John Newcomer (1809 - 1890)"; A two volume set of the "Cottage Bible" owned by John Newcomer & his descendants.
"National Archive Records of George Debolt Newcomer", collected and copied by John M. Newcomer, Great grandson of George D. Newcomer.
Obituary of George D. Newcomer; Wauseon Republican; November 6, 1931; Wauseon, Ohio