LEGGET, Robert F. History of Canadian Geology: Thomas Roy (? - 1842) - An Early Engineer-Geologist. Geoscience Canada, [S. l.], v. 3, n. 2, 1976. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/1142. Acesso em: 3 may. 2024.