U.S. Congress. Senate. Unpublished U.S. Senate committee hearings: [91st Congress-92nd Congress, 1969-1972; 1913-1968 supplement, 63rd Congress-90th Congress]

CIS index to unpublished US Senate committee hearings : 91st Congress-92nd Congress, 1969-1972 : 1913-1968 supplement, 63rd Congress-90th Congress. ALEXANDER DOCREF KF40.C55 1995