Grateful acknowledgment is hereby made for permission to reprint in this volume selections from:
THE ENNEADS, by Plotinus, third edition. Translated by Stephen McKenna. Pantheon Books, a Division of Random House, Inc., New York, and Faber and Faber Ltd., London. All rights reserved.
SOURCE READINGS IN MUSIC HISTORY, edited by Oliver Strunk. W. W. Norton & Company, Inc., New York, and Faber and Faber Ltd., London, 1950.
AUGUSTINE: Earlier Writings. Translated by John H. S. Burleigh. Published, 1953, The Westminster Press, Philadelphia, and Student Christian Movement Press, Ltd., London. Used by permission.
THE SUMMA THEOLOGICA OF SAINT THOMAS AQUINAS. Translated by the Dominican Fathers, second edition, 1927. Benziger Brothers, Inc., New York, and Burns & Oates Ltd., London, publishers and copyright holders. By permission.
LAOCOON, by Gotthold Ephraim Lessing. Translated by Ellen Frothingham, 1910. Farrar, Straus & Giroux, Inc., New York.
CRITIQUE OF JUDGMENT, by Immanuel Kant. Translated by J. H. Bernard, second edition, 1914. Macmillan & Company, Ltd., London.
LETTERS ON THE AESTHETIC EDUCATION OF MAN, by Friedrich Schiller, 1954. Translated by Reginald Snell. Routledge & Kegan Paul Ltd., London.
GERMAN ROMANTICISM, by Oskar Walzel. Translated by A. E. Lussky. Copyright 1932 by G.P. Putnam’s Sons, New York.
THE WORLD AS WILL AND IDEA, by Arthur Schopenhauer, sixth edition, 1907. Routledge and Kegan Paul Ltd., London.
WHAT IS ART? by Leo Tolstoy. Translated by Aylmer Maude, 1924 edition. Oxford University Press, Inc., New York.
EXPERIENCE AND NATURE, by John Dewey, revised edition, 1929. The Open Court Publishing Co., LaSalle, Illinois.