1. Kagan, J., Snidman, N., Sellers, M. J., & Johnson, M. (1991). Temperament and allergic symptoms. Psychosomatic Medicine, 53, 332–340.
2. Klein, R. E., Habicht, J. P., Yarbrough, C., Sellers, S., & Sellers, M. J. (1972). Empirical findings with methodological implications in the study of malnutrition and mental development. In Nutrition, the nervous system, and behavior. Pan American Health Organization Scientific Publication #251.
3. Klein, R. E., Lasky, R. E., Yarbrough, C., Habicht, J. P., & Sellers, M. J. (1977). Relationship of infant/caretaker interaction, social class, and nutritional status to developmental test performance among Guatemalan infants. In P. H. Leiderman, S. R. Tulkin, & A. Rosenfeld (Eds.), Culture and infancy. Academic.
4. Klein, R. E., Lester, B., Sellers, M. J., & Yarbrough, C. (1971). Psychological test performance of rural Guatemalan children (internal publication). Division of Human Development, Institute of Nutrition of Central America and Panama.
5. Lasky, R., Klein, R. E., Yarbrough, C., Sellers, M. J., & Kagan, J. (1983). The importance of different caregivers in the social interaction of Guatemalan infants. Journal of Cross Cultural Psychology, 14(1), 17–28.