1. Erasmus , Charles J. 1950 The Economic Life of a Mayo Village
2. Changing Folk Beliefs and the Relativity of Empirical Knowledge;Erasmus;Southwestern Journal of Anthropology,1952
3. Erasmus , Charles J. 1955a Reciprocal Labor: A Study of Its Occurrence and Disappearance among Farming Peoples of Latin America
4. Work Patterns in a Mayo Village;Erasmus;American Anthropologist,1955b