SARJEANT, William A. S. The Field Naturalist: John Macoun, the Geological Survey and Natural Science. Geoscience Canada, [S. l.], v. 17, n. 3, 1990. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/3685. Acesso em: 7 may. 2024.