id author title date pages extension mime words sentence flesch summary cache txt crl-16828 Carlstone, Jamie; Stein, Ayla; Norman, Michael; Wilkin, John Copyright Renewal of U.S. Books Published in 1932: Re-analyzing Ringer's Study to Determine a More Accurate Renewal Rate for Books 2018-07-02 16 .pdf application/pdf 8834 391 54 Ringer used the total number of book registrations listed in the FY1932 Annual Report for Class A (57,065) (see table 6) as her number of registrations, and the total number of renewals from the July 1958 through June 1959 CCEs (3,942).39 From these sources, Ringer determined the renewal rate for Class A materials was 7 percent.40 As Wilkin noted, those copyrights include thousands of nonbook materials.41 This study determined that it is likely that the Copyright Office deposited book registrations in the pamphlet volume, making the range of 10,820–13,460 a more accurate reflection of all books pub- lished for 1932, regardless of their importance. cache/crl-16828.pdf txt/crl-16828.txt