Aristotle & Ostwald, Martin, 1922- (1962). Nicomachean ethics (1st ed). Bobbs-Merrill, Indianapolis; New York.

B. Harrison (Ed.). (1968). Shakespeare: The complete works. New York, NY: Harcourt, Brace & World, Inc.

Borgatta, E. F. (1954). Sidesteps toward a nonspecial theory. In R. A. Baker (Ed.), Psychology in the wry (p. 17). Princeton, NJ: D. Van Nostrand Company, Inc.

Butler, J. (1726). Fifteen sermons upon human nature. London; reprinted in A.I. Melden (ed.) (1955) Ethical theories: A book of readings (2nd edition). Englewood Cliffs, NJ: Prentice-Hall, Inc.

Frankena, W. (1973). Ethics (2nd ed. ed., Prentice-Hall foundations of philosophy series). Englewood Cliffs, N.J.: Prentice-Hall.

Fromm, E. (1956). The art of loving. New York, NY: Harper & Row, Publishers, Inc. Gibran, K. (1923). The prophet. New York, NY: Alfred A. Knopf, Inc.

Harbach, O. and Kern, J. (1933) Roberta. Smoke gets in your eyes.

K. L. Roberts (ed.), (1940). Hoyt’s new cyclopedia of practical quotation New York, NY: Funk & Wagnalls Company.

Lederer, W. J. and Jackson, D. J. (1968). The mirages of marriage. New York, NY: W. M. Norton & Company, Inc.

May, R. (1969). Love and will. New York, NY: W. W. Norton & Company, Inc.

A. Montefiore (ed.) (1973) Philosophy and personal relationships. Montreal: McGill—Queen’s University Press.

Shaw, G. B. (1906) The philanderer. Edinburgh: R. & R. Clark, Limited. Thayer, S. (1988, March) Close Encounters. Psychology Today

Titus, H. H. and Keeton, M. T. (5th edition May 1976). Ethics for today. New York, NY: Van Nostrand Reinhold Company

Udry, J. R. (1966). The social context of marriage. Philadelphia, PA: J. B. Lippincott Company.

M. Warnock (ed.) (1965), John Stuart Milll: Utilitarianism, on liberty. essay on Bentham. Cleveland, OH: The World Publishing Company.

Yeats, W. B. (1893). When you are old. The Rose. Reprinted in The collected poems of W.B. Yeats (1956). New York, NY: The Macmillan Company.