A study of changing pre - Columbian : Commercial systems : the 1972 - 1973 seasons at Cozumel Mexico , a preliminary report
edited by Jeremy A. Sabloff and William A. Rathje ; with contributions by Judith G. Cornnor ... (et al.)
- Harvard University Peabody Museum of Archaeology and Ethnology Cambridge , Mass 1975 1975
- xii , 138 p. : ill. , maps ; 25 cm.
- Peabody Museum monographs no. 3. .