Copyright miscellany : hearing before the Subcommittee on Courts, Civil Liberties, and the Administration of Justice of the Committee on the Judiciary, House of Representatives, Ninety-third Congress, second session on S. 3976, to amend Title 17 of the United States Code to remove the expiration date for a limited copyright in sound recordings, to increase the criminal penalties for piracy and counterfeiting of sound recordings, to extend the duration of copyright protection in certain cases, to establish a national commission on new technological uses of copyrighted works, and for other purposes, November 26, 1974.