Lantuit, H.; Pollard, W. H. (March 2008). "Fifty years of coastal erosion and retrogressive thaw slump activity on Herschel Island, southern Beafort Sea, Yukon Territory, Canada". Geomorphology. 95 (1–2): 84–102. Bibcode:2008Geomo..95...84L. doi:10.1016/j.geomorph.2006.07.040.
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Lantuit, H.; Pollard, W. H. (March 2008). "Fifty years of coastal erosion and retrogressive thaw slump activity on Herschel Island, southern Beafort Sea, Yukon Territory, Canada". Geomorphology. 95 (1–2): 84–102. Bibcode:2008Geomo..95...84L. doi:10.1016/j.geomorph.2006.07.040.
"Constable Carl Lennart Sundell". Odmp.org. The Officer Down Memorial Page, Inc. 14 July 1958. Archived from the original on 24 April 2008. Retrieved 12 September 2010.
"Constable Carl Lennart Sundell". Odmp.org. The Officer Down Memorial Page, Inc. 14 July 1958. Archived from the original on 24 April 2008. Retrieved 12 September 2010.