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 Hetty Did postage mistakenly on the cost of sending a Penguin paperback, and "What Hetty Did" was printed on superior paper with card covers, so it was heavier than expected and he lost money on postage. However the book sold well at £3.95 a copy and he soon had another 3,000 copies printed. The novel is still published by The Quince Tree Press. The book is notable for the fact that he gave his name as James Carr on the spine and J.L. Carr on the front. Carr was christened Joseph Lloyd and adopted the name 'Jim' or even 'James' in his