McBride, Larn & Davis 1975, p. 237. McBride, P.; Larn, R.; Davis, R. (September 1975), "A mid‐17th century merchant ship found near Mullion Cove 3rd interim report on the Santo Christo de Castello, 1667", The International Journal of Nautical Archaeology and Underwater Exploration, 4 (2), The Nautical Archaeology Trust Ltd.: 237–252, doi:10.1111/j.1095-9270.1975.tb00917.x
Bradley & DeAngelo 1981, p. 111. Bradley, James W.; DeAngelo, Gordon (Fall 1981), "European Clay Pipe Marks from 17th Century Onondaga Iroquois Sites", Archaeology of Eastern North America, 9, Eastern States Archeological Federation: 109–133, JSTOR40897742