March 22, 1968, Congressional Record-Senate: "Lowering the Voting Age"March 22, 1968United States. Congress. SenateMansfield, Mike, 1903-2001Dirksen, Everett McKinleyhttps://creativecommons.org/publicdomain/mark/1.0/enghttp://congressarchives.org/record/EMD_Working_Papers-f366-1968_03_22Record Of Senator Mansfield And Dirksen Speaking On The Proposed Amendment To Lower The Voting Age.