BRAZIER, Frank H. Gray Gladiator (Townend’s Solitaire). Blue Jay, [S. l.], v. 19, n. 3, 1961. DOI: 10.29173/bluejay2499. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2499. Acesso em: 28 mar. 2024.