Olmec art and archaeology in Mesoamerica - Clark, J. E. (John E.); Pye, Mary E (National Gallery of Art ; Distributed by Yale University Press, 2000)
"Proceedings of the symposium 'Olmec art and archaeology in Mesoamerica: social complexity in the formative period,' ... The symposium was held 19-21 September 1996 in Washington"–T.p. verso.