Black Walnut Variety Trials—1950-1977. Journal of the American Pomological Society, [S. l.], v. 33, n. 4, p. 126–130, 1979. DOI: 10.71318/apom.1979.33.4.126. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1397. Acesso em: 29 jan. 2026.