Sues, Hans-Dieter, Robert W. Hook, and Paul E. Olsen. “Donald Baird and His Discoveries of Carboniferous and Early Mesozoic Vertebrates in Nova Scotia”. Atlantic Geoscience 49 (June 16, 2013): 90–103. Accessed June 22, 2024. https://journals.lib.unb.ca/index.php/ag/article/view/atlgeol.2013.004.