National Survey of Plum, Cherry and Grape Varieties. Journal of the American Pomological Society, [S. l.], v. 3, n. 1, p. 6–8, 1948. DOI: 10.71318/apom.1948.3.1.6. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1234. Acesso em: 5 feb. 2026.