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:
James Leal Greenleaf Cemetery and Memorial, and Suresnes American Cemetery and Memorial. During his time on the Commission of Fine Arts, Greenleaf consulted on landscape design in a number of national parks. In 1924, he was elected into the National Academy of Design as an Associate Academician. After his retirement from public service in 1927, Greenleaf rarely worked. However, he did consult with the firm of McKim, Mead and White on the landscape design around Arlington Memorial Bridge in 1931 and 1932. In retirement, Greenleaf devoted himself to landscape painting, working primarily in Italy and on the Isle of Skye. His work was