Littman, Sherri L., William. F. Keegan. A Shell Bead Manufacturing Center on Grand Turk, T.C.I. In Proceedings of the Fourteenth Congress of the International Association for Caribbean Archaeology, 22-28 July 1991, Dover Convention Centre, Barbados W.I., Alexandra Cummins, Philippa King ed. Barbados Museum and Historical Society, p. 147-156, 1993.