Shorter pieces


  

1962         
        Phenomenalism 
                     Collier's Encyclopedia, 1962, Vol. 18, pp. 666-667
        Empiricism
                     Collier's Encyclopedia, 1962, Vol. 9, pp.129-131
1966
        C. I. Lewis 
                    The Encyclopedia of Philosophy, Vol. 4, ed. Paul Edwards (Macmillan and Free Press, 1966)
                    pp. 455-458 
1970
         Value Theory
                    Dictionary of World Literary Terms, ed. Joseph T. Shipley, Boston: The Writer, Inc., 1970       
1989
         Introduction 
                     to Logic for the Gifted by Maurice Stanley (Manassas, Virginia: Gifted Education Press, 1989)
1992                     
        The Ethics of C.I. Lewis
                    Encyclopedia of Ethics, ed. Lawrence C. Becker (Garland Publishing Company, 1992), pp.697-98
        The Autonomy of Ethics 
                    Ibid., pp.69-71         
        Ethical Naturalism
                    Ibid., pp.880-83
1993                     
        In Search of Self and Cultural Coherence
                    Falling in Love with Wisdom, ed. David Karnos and Robert Shoemaker (New York: Oxford University
                    Press, 1993), pp.132-35
1997                     
          Autonomy
                    Blackwell Encyclopedic Dictionary of Business Ethics, ed. Patricia H. Werhane and R. Edward Freeman
                   (1997)