WAGNER, Jeanie. Robert D. Symons, Naturalist, Writer, Artist. Blue Jay, [S. l.], v. 28, n. 4, 1970. DOI: 10.29173/bluejay3440. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3440. Acesso em: 2 may. 2024.