The Clara Frijs Pear. Journal of the American Pomological Society, [S. l.], v. 16, n. 4, p. 77–77, 1962. DOI: 10.71318/apom.1962.16.4.77. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/529. Acesso em: 11 mar. 2026.