1. Poverty and Our Social Order: Implications and Reservations;American Journal of Agricultural Economics,1970
2. Análisis de la Investigación y de la Aplicación del ‘Difusionismo.’,1971
3. Communication Behavior as Related to Information Control Behaviors of Black Low-income Adults,1971
4. The Search for Instrumental Information Among Farmers of the Brazilian Northeast,1966
5. Communication and Adoption of Agricultural Innovations in Latin America,1974