NELSON, E. Charles; HOUSTON, C. Stuart. In Memorium: Horace Hedley Mitchell (1868-1953). Blue Jay, [S. l.], v. 73, n. 2, p. 92–95, 2015. DOI: 10.29173/bluejay310. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/310. Acesso em: 23 apr. 2024.