Almanac of American Politics (online, 2000-; print, 1974-) Best Bet
Main Ref JK 1012 .A44 or Main Libr JK 1012 .A44
A volume is issued for each Congress. Organized by state. It includes for each member: biography, political activities, committees, key votes, group ratings, National Journal ratings, election results, and for members of the House, description of the district and demographics. Also includes leadership, state profiles, campaign finance, etc. The entries for the chairs and committee members may include discussion of those individuals' roles and activities on the committees.