ANONIMOUS. Riddle’s Elephant Breeding Farm and Wildlife Sanctuary, Greenbier, Arkansas. Pachyderm, [S. l.], v. 14, n. 1, p. 46–47, 1991. DOI: 10.69649/pachyderm.v14i1.726. Disponível em: https://pachydermjournal.org/index.php/pachyderm/article/view/726. Acesso em: 1 may. 2026.