His ''Democratic Opposition to the Lincoln Administration in Indiana,'' published in 1973,<ref>{{cite book|url=http://jah.oxfordjournals.org/content/61/1/197.extract|author=Gilbert R. Tredway|title=Democratic Opposition to the Lincoln Administration in Indiana|publisher=[[Indianapolis]], [[Indiana]]: Indiana Historical Bureau|date=1973|accessdate=February 14, 2020}}</ref> stems from his [[Ph.D.]] dissertation, which he completed eleven years earlier in 1962 from Indiana University. The work is a study of the northern [[Democratic Party|Democrats]], some of whom were [[Copperheads]] demanding a negotiated settlement of the war or an immediate ending of hostilities.<ref name=tredway>{{cite web|url=http://www.dlib.indiana.edu/reference/cshm/ohrc039.html#10|title=Interviewee: Gilbert R. Tredway|publisher=dlib.indiana.edu|accessdate=March 1, 2011}}</ref> | His ''Democratic Opposition to the Lincoln Administration in Indiana,'' published in 1973,<ref>{{cite book|url=http://jah.oxfordjournals.org/content/61/1/197.extract|author=Gilbert R. Tredway|title=Democratic Opposition to the Lincoln Administration in Indiana|publisher=[[Indianapolis]], [[Indiana]]: Indiana Historical Bureau|date=1973|accessdate=February 14, 2020}}</ref> stems from his [[Ph.D.]] dissertation, which he completed eleven years earlier in 1962 from Indiana University. The work is a study of the northern [[Democratic Party|Democrats]], some of whom were [[Copperheads]] demanding a negotiated settlement of the war or an immediate ending of hostilities.<ref name=tredway>{{cite web|url=http://www.dlib.indiana.edu/reference/cshm/ohrc039.html#10|title=Interviewee: Gilbert R. Tredway|publisher=dlib.indiana.edu|accessdate=March 1, 2011}}</ref> |