O'Brien, David J., 1941- (Nombre personal)

The Japanese American experience, 1991: CIP title page (David J. O'Brien) data sheet (born July 19, 1941; professor in the Departments of Rural Sociology and Community Development at the University of Missouri--Columbia)

Metodologii︠a︡ issledovanii︠a︡ i kachestvo zhizni selʹskogo naselenii︠a︡ Rossii i SShA , 1996: title page verso (professor Dėvid Dzh. O'Braĭn (UMS); Dr. David J. O'Brien (UMC))

LC data base, October 22, 1991 (hdg.: O'Brien, David J., 1941- )

University of Missouri--Columbia, College of Agriculture, Food, and Natural Resources website, viewed June 21, 2019 (David J. O'Brien, PhD, Professor, Rural Sociology; Ph. D. from Indiana University in 1972; research interest: adaptation of rural communities, with a focus on Missouri, Russia, and East Africa; was a Fulbright exchange scholar in Russia) https://cafnr.missouri.edu/person/david-obrien/