Discussed in the 1970 Annual report of the Register of Copyrights to the Librarian of Congress are the following topics: (1) General revision of the copyright law, (2) The year's copyright business, (3) Official publications, (4) Copyright contributions to the library collections, (5) Administrative developments, (6) Legislative developments, (7) Judicial developments, and (8) International copyright developments. Extensive historical and current data are presented in tabular form. In addition, a list of publications available from the Library of Congress Copyright Office is provided. See LI 003 712 for the 1971 Annual Report of the Register of Copyrights. (SJ)