The author wishes to thank the following publishers permission to quote from works published by them:
Harper & Brothers — from Booth Tarkington, Seventeen.
Harvard University Press —from The Collected Papers of Charles Sanders Peirce, edited by Charles Hartshorne and Pa Weiss.
Longmans, Green & Company — from William James, Collected Essays and Reviews; and from Rickaby, General Metaphysics.
Princeton University Press — from Paul Weiss, Reality.
The Religious Education Association — from Religious Education.
Charles Scribner’s Sons —from Berdyaev, The Destiny of Man; from C. I. Lewis, Mind and the Worid Order; fror Etienne Gilson, The Spirit of Mediaeval Philosophy; and from Jacques Maritain, The Degrees of Knowledge.
Yale University Press—from John Dewey, A Common Faith.
He wishes also to thank Mr. E. D. Kennedy for permission quote his poem, published in the New Republic.