1. Richard Taylor, Action and Purpose, Prentice-Hall, Englewood Cliffs, N.J., 1966, pp. 9–39, esp. pp. 35–39.
2. Richard Taylor, `Causation’, Monist47 (1963), 287–313, esp. pp. 303–313, reprinted in Myles Brand (ed.), The Nature of Causation, University of Illinois Press, Urbana, 1976, pp. 277–305; and Bertrand Russell, `On the Notion of Cause’, in Mysticism and Logic, Doubleday, Garden City, N.Y., 1917.
3. Wesley Sahnon, `An “At-At” Theory of Causal Influence’, Philosophy of Science
44
4. 215–224; Patrick Suppes, A Probabilistic Theory of Causality, North-Holland Publishing, Amsterdam, 1970.
5. For reviews of historical and contemporary attempts to account for causal asymmetry, see Myles Brand, `Causality’, in P. Asquith and H. E. Kyburg, Jr. (eds.), Current Research in Philosophy of Science, Philosophy of Science Association, East Lansing, Mich., 1979; and Richard Taylor, `Causation’ in Paul Edwards (ed.), The Encyclopedia of Philosophy, 8 vols., Macmillan and Free Press, New York, 1967, Vol. 2, pp. 56–66.