R. Thorsteinsson

• Banks, Victoria, and Stefansson islands, Arctic Archipelago
• Carboniferous and Permian stratigraphy of Axel Heiberg Island and western Ellesmere Island, Canadian Arctic Archipelago
• Cornwallis and Little Cornwallis Islands, district of Franklin, Northwest Territories
• Cornwallis Island and adjacent smaller islands, Canadian Arctic Archipelago
• Stratigraphy and conodonts of Upper Silurian and Lower Devonian rocks in the environs of the Boothia Uplift, Canadian Arctic Archipelago
• The history and geology of Meighen Island, Arctic Archipelago
• The sedimentary rocks of Devon Island, Canadian Arctic Archipelago