^"Ohio Executions". مؤرشف من الأصل في 2008-02-23. اطلع عليه بتاريخ 2008-04-14. The History Of Executions in America Before Lethal Injection. Retrieved from Internet Archive 25 January 2014.
^Dean Kahler: Visitors' Center helps him move past May 4, 1970 'Dean Kahler, among the most severely wounded of the 13 Kent State students shot by the National Guard on May 4, 1970, tours the new May 4th Visitors' Center being dedicated this weekend' WKSU, May 3, 2013. Retrieved January 25, 2014. نسخة محفوظة 24 أكتوبر 2017 على موقع واي باك مشين.