This volume provides basic biographical data on all persons who have served in the U.S. Congress since its inception in 1789 through the opening of the 99th Congress in 1985. The first section contains statistics and summary material on the membership of Congress, including age, religion, occupations, women and black members, turnover, and shifts between chambers. The second section contains over 11,000 thumbnail biographies of individuals, including dates of birth and death, family relationships between members, party affiliation, state, years of Congressional service in House and Senate, and major offices held. The last section contains data on sessions of Congress, political party affiliations in Congress and the Presidency, and leaders of the Senate and the House. ISBN 0-87-187-335-4 (pbk.) : $9.95 (For use only in the library).