JOHNSON, M. L. Historical Atlas of Oklahoma. Cartographic Perspectives, [S. l.], n. 58, p. 48–50, 2007. DOI: 10.14714/CP58.266. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp58-johnson. Acesso em: 1 may. 2024.