Slafter, E. F. 1., & Slafter, C. (1973). Sir William Alexander and American colonization: Including three royal charters, a tract on colonization, a patent of the county of Canada and of Long Island, and the roll of the knights baronets of New Scotland. Boston: Prince Society.

Slafter, Edmund F. 1816-1906., and Carlos Slafter. Sir William Alexander and American Colonization: Including Three Royal Charters, a Tract On Colonization, a Patent of the County of Canada and of Long Island, and the Roll of the Knights Baronets of New Scotland. Boston: Prince Society, 1973.

Slafter, Edmund F. 1816-1906., and Carlos Slafter. Sir William Alexander and American Colonization: Including Three Royal Charters, a Tract On Colonization, a Patent of the County of Canada and of Long Island, and the Roll of the Knights Baronets of New Scotland. Boston: Prince Society, 1973.