. . . . "Campaign contributions, political activities, and lobbying Hearings before the Special Committee to Investigate Political Activities, Lobbying, and Campaign Contributions, United States Senate, Eighty-fourth Congress, second session, pursuant to S. Res. 219 of the 84th Cong. and S. Res. 47 of the 85th Cong"@en . . . "Campaign contributions, political activities, and lobbying : Hearings before the Special Committee to Investigate Political Activities, Lobbying, and Campaign Contributions, United States Senate, Eighty-fourth Congress, second session, pursuant to S. Res. 219 of the 84th Cong. and S. Res. 47 of the 85th Cong" . . . . "Campaign Contributions, Political Activities, and Lobbying : hearings before the United States Senate Special Committee To Investigate Political Activities, Lobbying, and Campaign Contributions, Eighty-Fourth Congress, second session and Eighty-Fifth Congress, first session, on Oct. 8, 10, Nov. 26, 27, Dec. 11-13, 1956, Jan. 22, Feb. 28, Mar. 14, 1957"@en . . . . . . . . . . "Electronic books"@en . .