HELM, N. Intellectual freedom and the Oregon legislature: Looking back and looking ahead. OLA Quarterly, [S. l.], v. 1, n. 4, p. 7–8+, 1996. DOI: 10.7710/1093-7374.1050. Disponível em: https://journals3.library.oregonstate.edu/olaq/article/view/vol1_iss4_6. Acesso em: 3 jul. 2024.