[Committee hearings] serial, 92d Congress. 10. Voting representation in Congress for District of Columbia, hearings before subcommittee no. 1, 92d Congress, 1st session, on H.J. Res. 46, H.J. Res. 253, H.J. Res. 374, H.J. Res. 470 and similar resolutions, July 19-22, 1971.