Elections. To amend pernicious political activities act of 1939, hearing before subcommittee, 78th Congress, 2d session, on S. 592, to amend act to prevent pernicious political activities, as amended, with respect to circulation of matter concerning candidates for election to Federal offices, S. 593, to amend act to prevent pernicious political activities, as amended, with respect to limitations on political contributions and expenditures, and S. 594, to protect integrity of democratic process by requiring disclosure of persons writing, publishing, and circulating scurrilous literature in connection with political campaigns, to deny use of mails to such literature, and to prohibit its importation into United States in default of such disclosure, June 2, 1944.