1. The Maya central area at the Spanish Conquest and later: a problem in demography.;Thompson;Royal Anthropological Institute of Great Britain and Ireland, Proceedings,1967
2. Some implications of the symposium. In Irrigation civilizations: a comparative study;Steward;Pan American Union, Social Science Monographs,1955
3. Copan ceramics: a study of southeastern Maya pottery.;Longyear;Carnegie Institution of Washington, Publication,1952
4. The central Mexican symbiotic region. In Prehistoric settlement patterns in the New World;Sanders;Viking Fund Publications in Anthropology,1956