Dalrymple, Robert W., and Janok Bhattacharya. “Gerard Viner Middleton FRSC: 1931–2021”. Geoscience Canada 48, no. 3 (December 8, 2021): 141–143. Accessed May 18, 2024. https://journals.lib.unb.ca/index.php/GC/article/view/32635.