Baier, Kurt. Philosophical Review (July 1960), 69(3):414-418.
Cooper, Neil. Philosophical Quarterly (October 1960), 10(41):374.
Easton, W. Burnet, Jr.Christian Century (August 12 1959), 76(32):924.
Griffiths, A. Phillips.Philosophy (April & July1961), 36(137):237-238.
Handy, Rollo.Bibliography of Philosophy/Bibliographie de la Philosophie (October-December1958), 5(4):289-290, #702.
Handy, Rollo.Philoosphy & Phenomenological Research (June 1960), 20(4):567-568.
Schneider, H.W.Journal of Philosophy (August 13, 1959), 56(17):704-708.