GLEADOW, F. Progress in the United States. Indian Forester, [S. l.], v. 29, n. 2, p. 69–75, 1903. DOI: 10.36808/if/1903/v29i2/16216. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/16216. Acesso em: 7 oct. 2025.