William Henry Smith Memorial Library (1988). "Biographical Sketch, Schuyler Colfax"(PDF). Schuyler Colfax Papers, 1843–1884. Indianapolis, IN: Indiana Historical Society. p. 2. Archived(PDF) from the original on October 9, 2022. Retrieved July 25, 2021.
"Hon. Schuyler Colfax on Italian Unity"(PDF). The New York Times. January 10, 1871. Archived(PDF) from the original on October 9, 2022. Retrieved April 7, 2019 – via The Times's print archive.
"Schuyler Colfax Refuses"(PDF). The New York Times. April 7, 1882. Archived(PDF) from the original on October 9, 2022. Retrieved April 7, 2019 – via The Times's print archive.
History.com Editors (November 6, 2009). "Battle of Wilson's Creek". History.com. New York, NY: A&E Television Networks, LLC. {{cite web}}: |last= has generic name (help)
William Henry Smith Memorial Library (1988). "Biographical Sketch, Schuyler Colfax"(PDF). Schuyler Colfax Papers, 1843–1884. Indianapolis, IN: Indiana Historical Society. p. 2. Archived(PDF) from the original on October 9, 2022. Retrieved July 25, 2021.
"Hon. Schuyler Colfax on Italian Unity"(PDF). The New York Times. January 10, 1871. Archived(PDF) from the original on October 9, 2022. Retrieved April 7, 2019 – via The Times's print archive.
"Schuyler Colfax Refuses"(PDF). The New York Times. April 7, 1882. Archived(PDF) from the original on October 9, 2022. Retrieved April 7, 2019 – via The Times's print archive.
Weber, Lawrence (January 21, 2019). "The Frémont Emancipation Proclamation". Warfare History Network.com/. McLean, VA: Sovereign Media. Retrieved August 1, 2021.