Bibliography
A Notable Advisory Board. American Biography, a New Cyclopedia. Vol. xvi. New York: American Historical Society, 1924.
"Dunn Has Fight for Comptroller: Only Contest of Convention is Put up by the Mayor of Willimantic New Haven and Hartford Men Can’t Defeat Him Tingier Wins Second Place with Ease- -Baldwin Heads Ticket." The Hartford Courant (1887-1922), Sept. 13, 1912. http://ecsu.idm.oclc.org/login?url=https://www.proquest.com/historical-newspapers/dunn-has-fight-comptroller/docview/555935507/se-2?accountid=27112.
Ellen D. Larned, History of Windham County Connecticut, vol. 2: 1760-1880 (Worcester, Mass; Charles Hamilton, 1880).
"Ex-Mayor Dunn Died Thursday of Heart Disease." Willimantic Daily Chronicle, September 1, 1922.
Lincoln, Allen B.. A Modern History of Windham County, Connecticut: A Windham County Treasure Book. United States: S.J. Clarke Publishing Company, 1920.
Pocock, Emil and Kirchmann, Anna. “Willimantic Social History Project.” US Census for 1880
Pocock, Emil and Kirchmann, Anna. “Willimantic Social History Project.” US Census for 1900
Pocock, Emil and Kirchmann, Anna. “Willimantic Social History Project.” US Census for 1910
Special to, The Courant. "Dunn Beaten by Charles A. Gates in Willimantic: Six-Time Mayor Loses to Republican Candidate by 438 Votes--Council also Republican Cameron Again Wins in Rockville Defeats Frederick G. Hartenstein by 66 Votes--Allie W. Marcy Winner in Putnam." The Hartford Courant (1887-1922), Dec 04, 1917. http://ecsu.idm.oclc.org/login?url=https://www.proquest.com/historicalnewspapers/dunn-beaten-charles-gates-willimantic/docview/556538061/se-2?accountid=27112.
Special to, The Courant. "Former Mayor Dunn Dies in Willimantic: Seized on Street with Fatal Heart Attack While on way to Consult Physician --Served State and City State Comptroller Under Gov. Baldwin Former Comptroller Who Died Suddenly." The Hartford Courant (1887-1922), Sep 01, 1922. http://ecsu.idm.oclc.org/login?url=https://www.proquest.com/historical-newspapers/former-mayor-dunn-dies-willimantic/docview/552501313/se-2?accountid=27112.
Special to, The Courant. "Old Baseball Manager will be Mayor for All: Daniel P. Dunn Wants Willimantic to Prosper." The Hartford Courant (1887-1922), Dec 13, 1905. http://ecsu.idm.oclc.org/login?url=https://www.proquest.com/historical-newspapers/old-baseball-manager-willbe-mayor-all/docview/555347115/se-2?accountid=27112.
Thread City. Last modified August 9, 2021. http://threadcity.us/Railroad/railroad.htm.