May 3, 1965, Amendment regarding S. 1564May 3, 1965Ervin, Sam J., Jr. (Sam James), 1896-1985https://creativecommons.org/publicdomain/mark/1.0/enghttp://congressarchives.org/record/EMD_Working_Papers-f269-1965_05_03-3Amendment Proposed To The Mansfield - Dirksen Substitute Version Of S. 1564