READING, K. Cooperation out on the Eastern Oregon frontier. OLA Quarterly, [S. l.], v. 4, n. 4, p. 20–22, 1999. DOI: 10.7710/1093-7374.1505. Disponível em: https://ojs-test.library.oregonstate.edu/olaq/article/view/vol4_iss4_11. Acesso em: 24 feb. 2025.