National civic auditorium, hearings before public health, education, welfare, and safety subcommittee of Committee on District of Columbia, Senate, and special subcommittee to study and formulate plans for civic auditorium and mass communications center of Committee on Distrist of Columbia, House of Representatives, 85th Congress, 1st session, on site for national civic auditorium, Feb. 7 and 8, 1957.

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