[Committee hearings] serial, 87th Congress. 3. Federal conflict of Interest legislation, hearings before Antitrust Subcommittee, (Subcommittee no. 5), 87th Congress, 1st session, on H.R. 302, H.R. 3050, H.R. 3411, H.R. 8412, and H.R. 7139, June 1 and 2, 1961.