Copyright law revision. Hearings, Ninetieth Congress, first session, pursuant to S. Res. 37, on S.597. - Washington U.S.Govt.Print.Off. 1967. - 4 v. 24 cm. Hearings held Mar. 15-Apr. 28, 1967. LCCN: 67062380 Subjects--Topical Terms: Copyright--United States. Dewey Class. No.: 340