Falk, W. D. (NHC Fellow, 1979–80). Ought, Reasons, and Morality: The Collected Papers of W. D. Falk. Ithaca, NY: Cornell University Press, 1986. ISBN 0801417848.
Falk, W. D. (NHC Fellow, 1979–80). Ought, Reasons, and Morality: The Collected Papers of W. D. Falk. Ithaca, NY: Cornell University Press, 1986. ISBN 0801417848.