National Union, the Test of American Loyalty: An Historical Discourse, November 24th, 1864

Record of the Golden Wedding of Rev. George Duffield, D.D. and Isabella Graham Bethune Duffield: Celebrated by the Family at the Homestead in Detroit, September 11, 1867

Faithful Rebuke, Not "Unreasonable Bitterness": Shown in a Reply to the "Reverend Dr. Tyng's" Pastoral Letter of the Synod of Michigan