Comparison of Formative Cultures in the Americas: Diffusion or the Psychic Unity of ManDOI: info:10.5479/si.00810223.11.1Smithsonian Institution Press211
Ford, James A. 1969. Comparison of Formative Cultures in the Americas: Diffusion or the Psychic Unity of Man. Washington, D.C.: Smithsonian Institution Press. In Smithsonian Contributions to Anthropology, 11. https://doi.org/10.5479/si.00810223.11.1.