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 available2016
PublisherUniversity of Illinois at Urbana-Champaign

Cite this

Wilkin, J. P. (Creator). (2016). CRMS Renewals by Year. University of Illinois at Urbana-Champaign. 10.13012/B2IDB-0710473_V1