Pojman, L. Ethics: Discovering Right and Wrong. Belmont, CA: Wadsworth Publishing Company,1999. (Chapter 8)
"Virtue ethics," Stanford University Encyclopedia of Philosophy.
Easwaran, E. Gandhi The Man: The Story of His Transformation. Tomales, CA: Nilgiri Press, 2007.
Gandhi, M.K. All Religions Are True. Bombay: Bharatiya Vidya Bhavan, 1962.
Wolpert, S. Gandhi's Passion: The Life and Legacy of Mahatma Gandhi. New York: Oxford University Press, 2001.
See the film Gandhi (dir. Richard Attenborough, Columbia Pictures, 1982).
Frances Ellen Watkins Harper
"Frances Harper," by Janeen Grohsmeyer, in the Dictionary of Unitarian and Universalist Biography
Peterson, Polly. Stirring the Nation's Heart: Eighteen Stories of Prophetic Unitarians and Universalists of the 19th Century. (Unitarian Universalist Association, 2010)