Hesse, H. (2003). The Journey to the East (H. Rosner, Trans.). New York: Picador. (Original work published in 1932). Spears, L. C., ed (1998). Insights on Leadership: Service, stewardship, spirit, and servant-leadership. New York: Wiley. Warneka, T. H., (2008). Black Belt Leader, Peaceful Leader: An Introduction to Catholic Servant Leadership. Ohio: Asogomi. External links Robert K. Greenleaf Center 1904 births 1990 deaths People from Terre Haute, Indiana Carleton College alumni American consultants American Quakers 20th-century Quakers