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Musser, Linda – Issues in Science and Technology Librarianship, 2019
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…
Descriptors: Copyrights, Maps, Incidence, Electronic Publishing