Gems from the Essayists. Indian Forester, [S. l.], v. 55, n. 3, p. 170–170, 1929. DOI: 10.36808/if/1929/v55i3/19657. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/19657. Acesso em: 5 dec. 2025.