 | Changing Rural Society: A Study of Communities in Bolivia | William J. McEwen | Oxford University Press | 1975 |
 | Educación y estratificación social en Bolivia | Lambros Comitas | America Indígena. Vol. XXVIII, no. 3, julio. | 1968 |
 | Education and Social Stratification in Contemporary Bolivia | Lambros Comitas | Transactions of the New York Academy of Sciences. Series II, Volume 29, No.7, Pages 935-948 | 1967 |
 | Epidemiological Studies in Bolivia: Final Epidemiological Report for the Peace Corps | Abdel R. Omran | Research institute for The Study of Man | 1967 |
