1. Ash, M. G., ed. 1997. Mythos Humboldt: Vergangenheit und Zukunft der deutschen Universitäten. Wien: Böhlau.
2. Astin, A. W. 1993. What matters in college? Four critical years revisited. New York: Jossey-Bass Publishers.
3. Barber, B. 1952. Science and the social order. New York: Free Press.
4. Ben-David, J. 1953. Ethnic differences or social change? In Frankenstein (1953), 33–52.
5. Ben-David, J. 1955. The social structure of the professions in Israel, Ph.D. thesis, Hebrew University, Jerusalem (in Hebrew).