Sipe, James W., Seven pillars of servant leadership : practicing the wisdom of leading by serving / James W. Sipe and Don M. Frick. - Revised & expanded edition. - New York : Paulist Press, 2015 - xxiii, 256 pages ; 23 cm Includes bibliographical references and index. ISBN: 0809149265 9780809149261 Subjects--Topical Terms: Servant leadership