Elson, J. A. “History of Canadian Geology: The Contributions of J.W. Dawson (father) and G.M. Dawson (son) to the Theory of Glaciation”. Geoscience Canada 10, no. 4 (November 11, 1983). Accessed December 26, 2024. https://journals.lib.unb.ca/index.php/GC/article/view/3361.