The original House version:
Southern Republicans: 0-10 (0%-100%)
Southern Republicans: 0-1 (0%-100%)
(this was Senator John Tower of Texas)
Civil Rights Act of 1964
An early version, H.R. 3994, was first introduced by Representative Vito Marcantonio from New York on March 13, 1941, but it died in committee. A second version, H.R. 7142, was introduced by Representative Vito Marcantonio from New York on July 20, 1942, and it also died in committee.
The final House version was H.R. 7152. It was drafted by President John F. Kennedy and introduced in the House by Representative Emanuel “Manny” Celler (D) of New York on June 20, 1963. Co-sponsors included Mr. James Roosevelt of California, and William M. McCulloch (R) .
Senator Everitt Dirksen, Senator Hubert Humphrey, Senator Mike Mansfield, Thomas Kuchel (R-CA), and 38 other senators joined in co-sponsorship of the bill for the omnibus Civil Rights Act of 1964 in the Senate.
Voting Rights Act of 1965 S 1564,
President Lyndon Baines Johnson presented S 1564 to a joint session of Congress on March 15, 1964.
The original sponsors and presenters to Congress (March 18, 1964) were Senate Minority Leader Everett Dirksen (Illinois) and Senate Majority Leader Mike Mansfield, who worked to design it with Attorney General Nicholas Katzenbach at the request of President Lyndon Baines Johnson.
Sources: http://www.congresslink.org/print_basics_histmats_votingrights_contents.htm AND http://www.congresslink.org/print_basics_histmats_civilrights64text.htm