Description

Copyright Review Management System renewals by year, data from Table 2 of the article "How Large is the ‘Public Domain’? A comparative Analysis of Ringer’s 1961 Copyright Renewal Study and HathiTrust CRMS Data."
Date made availableAug 18 2016
PublisherUniversity of Illinois at Urbana-Champaign

Keywords

  • copyright renewals
  • HathiTrust
  • copyright

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