open access First-Term Members of the House of Representatives and Senate, 64th - 113th Congresses Description: This report provides summary data on the number of Senators and Members of the House of Representatives who first entered Congress between the 64th Congress (1915-1917) and the 113th Congress (2013-2014). Date: January 25, 2013 Creator: Manning, Jennifer E. & Petersen, R. Eric