Robert K. Greenleaf A Journey into the Nature of Legitimate Power and Greatness" (25th anniversary ed.). New York: Paulist Press. 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. Robert K. Greenleaf Robert K. Greenleaf (1904–1990) was the founder of the modern Servant leadership movement and the Greenleaf Center for Servant Leadership. Greenleaf was born in Terre Haute, Indiana in
Liberty Leading the People Antheil titled his Symphony No. 6 "After Delacroix", and stated that the work was inspired by "Liberty Leading the People". The imagery was adapted by Robert Ballagh to commemorate Ireland's independence struggle on an Irish postage stamp in 1979, the centenary of the birth of Pádraig Pearse, and the painting was used for the band Coldplay's album cover "Viva la Vida or Death and All His Friends", with the words "Viva La Vida" written in white. The cover of the book "Enough is Enough: How to Build a New Republic" by Fintan O'Toole references the painting, but with Kathleen Ni