Philosophical essays for Alfred North Whitehead / F. S. C. Northrop, Raphael Demos, Scott Buchanan, Willard V. Quine, Henry S. Leonard, Paul Weiss, S. Kerby-Miller, Charles Hartshorne, Otis H. Lee.    London ; New York ; Toronto : Longmans, Green and Co., 1936 . vii, 248 stran