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U.S. Copyright Renewals, 1969 January - June
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1970 January - June
Library of Congress. Copyright Office
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Motion pictures and filmstrips, January-June 1970 : Catalog of copyright entries, third series, volume 24, parts 12-13, number 1
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1968 January - June
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1971 July - December
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1964 January - June
Library of Congress. Copyright Office
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U.S. copyright renewals: artwork 1965-1977
Library of Congress. Copyright Office
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Copyright Basics
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1963 July - December
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1967 January - June
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1956 July - December
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1966 July - December
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1957 January - June
Library of Congress. Copyright Office
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Reproduction of Copyrighted Works by Educators and Librarians
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1965 January - June
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1960 July - December
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1977 January - June
Library of Congress. Copyright Office
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U.S. Copyright Renewals 1950 - 1977
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1976 January - June
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1975 January - June
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1973 July - December
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1970 July - December
Library of Congress. Copyright Office
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Copyright Renewals 1978
Library of Congress. Copyright Office
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U.S. Copyright Renewals, 1961 January - June
Library of Congress. Copyright Office
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Motion pictures, January-June 1974 : Catalog of copyright entries, third series, volume 28, parts 12-13, number 1
Library of Congress. Copyright Office
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