May 3, 1966, Congressional Record- Senate Mr. ErvinMay 3, 1966Ervin, Sam J., Jr. (Sam James), 1896-1985https://creativecommons.org/publicdomain/mark/1.0/enghttp://congressarchives.org/record/EMD_Working_Papers-f310-1966_05_03Sen. Ervin Floor Speech Voicing His Disapproval Of The Civil Rights Act Of 1966 Legislation. He Cautions Congress On The Threat Of Unconstitutionality.