Beals, R. L. 1932. The Comparative Ethnology of Northern Mexico Before 1750. (Ibero-Americana.) Berkeley: University of California Press.
@book{beals1932, address = {Berkeley}, author = {Beals, R. L.}, key = {Beals (1932)}, number = {2}, publisher = {University of California Press}, series = {Ibero-Americana}, title = {The Comparative Ethnology of Northern Mexico Before 1750}, year = {1932} }