O.F.N.C. Collecting Aboriginal Pottery at Sand Banks, Prince Edward Co. Légende de la diapositive No.15, de l'acquisition 1983-013 (PA210785), Bibliothèque et Archives Canada: 

"Dr. R.W. Ells, Miss Helen Merrill of Picton, Ont., and Prof. Marshall on Geological Excursion to the Sand Banks, Prince Edward So., Ont.  Dr. Ells, former President of the O.F.N.C. collecting pottery of Aborigines.  H.M.A. photo."