Some New Plum Varieties in California. Journal of the American Pomological Society, [S. l.], v. 17, n. 2, p. 29–32, 1963. DOI: 10.71318/apom.1963.17.2.29. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/559. Acesso em: 9 dec. 2025.