England, Trent; Spalding, Matthew. "Essays on Article V: Amendments". The Heritage Foundation. Archived from the original on August 22, 2020. Retrieved December 5, 2018.
England, Trent; Spalding, Matthew. "Essays on Article V: Amendments". The Heritage Foundation. Archived from the original on August 22, 2020. Retrieved December 5, 2018.
"Hawke v. Smith". Columbus Ohio: Ohio History Connection (formerly the Ohio Historical Society). Archived from the original on December 22, 2017. Retrieved May 30, 2018.
Linder, Douglas (1981). "What In The Constitution Cannot Be Amended?". Arizona Law Review. 23 (717). Archived from the original on June 23, 2019. Retrieved July 5, 2019 – via Exploring Constitutional Law, University of Missouri-Kansas City Law School.
Baker, Lynn A.; Dinkin, Samuel H. (1997). "The Senate: An Institution Whose Time Has Gone?"(PDF). Journal of Law & Politics. 13: 21. Retrieved August 25, 2019 – via University of Texas at Austin School of Law.
"Hawke v. Smith". Columbus Ohio: Ohio History Connection (formerly the Ohio Historical Society). Archived from the original on December 22, 2017. Retrieved May 30, 2018.
Linder, Douglas (1981). "What In The Constitution Cannot Be Amended?". Arizona Law Review. 23 (717). Archived from the original on June 23, 2019. Retrieved July 5, 2019 – via Exploring Constitutional Law, University of Missouri-Kansas City Law School.