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:
So Beautiful or So What What". The title is a question Simon envisioned when facing the enormity of the infinite. The song almost became a collaboration with Bob Dylan; Simon felt two verses might be nice for him and sent him a message through their mutual manager. Although Dylan said that he liked the song, Simon did not hear back in sufficient time, as the album was on a deadline. Many songs from "So Beautiful or So What" were made available in various forms before their release on the album. "Rewrite" and "Love and Hard Times" appeared in Simon's 2008 book "Lyrics; 1964-2008", "Questions for