A Study of the Copyright Renewal Rate for Maps
DOI:
https://doi.org/10.29173/istl49Abstract
This study examines the copyright renewal of maps published in the United States from 1923 to 1950 and compares the results with a recent study of copyright renewals for books. Results indicate that, while the average copyright renewal rate for maps appears similar to that of books, the average was skewed higher by a single publisher whose renewal rate was much higher than average. With the data from that publisher excluded, the average copyright renewal rate dropped to 10% meaning that a significant number of maps copyrighted in the U.S. in the first half of the 20th century are probably in the public domain due to lack of copyright renewal.
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Copyright (c) 2019 Linda Musser
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
