Challenges to Intellectual Freedom: Implications for the Twenty-First Century Authors Judith F. Krug DOI: https://doi.org/10.3776/ncl.v49i4.2487 Downloads PDF Published 1991-01-01 Issue Vol 49, No 4 (1991) Section Research & Librarianship License Articles published 2023 and later: (C) The Authors, released under CC-BY license Articles published 2022 and earlier: Released under a CC-BY-NC license
