Robert K. Greenleaf published two posthumous essay collections (available at Greenleaf.org). Today scores of colleges and universities include Servant Leadership in their curricula and hundreds of companies embrace Greenleaf's philosophy. As Greenleaf strived to serve through education, he became the leader of a movement. Bass, B. M., and Stogdill, R. M. (1990). "Bass & Stogdill's Handbook of Leadership: Theory, Research, and Managerial Applications" (3rd ed.). New York:Free Press. Frick, Don M. (2004)." Robert K. Greenleaf: A Life of Servant Leadership." San Francisco: Berrett-Koehler Publishers. Greenleaf, R.K. (2003). "The Servant-Leader Within: a Transformative Path" New York: Paulist Press. Greenleaf, R. K. (2002). "Servant Leadership:
What Did the Biblical Writers Know and When Did They Know It? up the argument of the book, stating that there was an ancient Israel, that the bible was written from a genuine historical core, and that archaeology can identify this core and prevent Israel from being "written out of history". The book received mixed reviews. Conservative scholars commended Dever for his critique on minimalism but were disappointed by his failure to defend the historicity of the bible prior to the age of David and Solomon. Others chided his inability to distance himself from his obsessions: What Did the Biblical Writers Know and When Did They Know It? What Did the Biblical