Rare Varieties Needed. Journal of the American Pomological Society, [S. l.], v. 2, n. 2, p. 50–50, 1947. DOI: 10.71318/apom.1947.2.2.50. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/738. Acesso em: 15 feb. 2026.