Copyright Office, the U.S. Patent and Trademark Office, and the Copyright Royalty Tribunal : oversight hearings before the Subcommittee on Courts, Civil Liberties, and the Administration of Justice of the Committee on the Judiciary, House of Representatives, Ninety seventh Congress, first session, on Copyright Office, the U.S. Patent and Trademark Office and the Copyright Royalty Tribunal, March 4 and June 11, 1981.

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