• Duffield, George, 1794-1868. A Thanksgiving discourse. The rule of Divine Providence applicable to the present circumstances of our country, delivered in the First Presbyterian church of Detroit, Thursday, November 28th, 1860. By Geo. Duffield. Detroit, Free Press mammoth book and job printing house, 1861.
  • Duffield, George, 1794-1868. Our national sins to be repented of : and the grounds of hope for the preservation of our federal Constitution and union... Detroit : Free Press mammoth Book and Job Printing House, 1861.
  • Duffield, George, 1794-1868. The great rebellion thus far a failure : a Thanksgiving sermon preached in the Presbyterian Church, Adrian, Michigan, November 28th, 1861 / by George Duffield, Jr. Adrian, Mich. : Steam Press of S.P. Jermain & Co., 1861.
  • McCoskry, Sam'l A., (Samuel Allen), 1804-1886. Trust in God the strength of a nation : a sermon preached in St. Paul's Church, Detroit, on the day of the national fast, January 4, 1861... Detroit : Free Press Book and Job Printing House, 1861.