The Dignity of Man: Studies in the Persistence of an Idea.
Harvard University Press, 1947. Hardcover. 365pp. More
Survey
Philosophy: An Introductory Study of Fundamental Problems and Attitudes.
NY: The Macmillan Co., 1935, 1st edition. Hardcover. 395pp. More
Ethical Studies.
Clarendon Press, 1952. Hardcover. 344pp. More
Western Philosophic Systems and Their Cyclic Transformations.; Foreword by George Kimball Plochmann.
Southern Illinois University Press, 1992. Hardcover. 176pp. More
Historical and Philosophical Dimensions of Logic, Methodology and Philosophy of Science.; Part four of the Proceedings of the Fifth International Congress of Logic, Methodlogy and Philosophy of Science, London, Ontario, Canada - 1975.(The University of Western Ontario Series in Philosophy of Science volume 12)
D. Reidel Publishing Co., 1977. Hardcover. 336pp. More
Contemporary German Philosophy.; Volume 4, 1984.
The Pennsylvania State University Press, 1984. Hardcover. 345pp. More
Classical and Contemporary Metaphysics: A Source Book.
NY: Holt, Rinehart and Winston, 1962. Hardcover. 323pp. More
A Celebration of Subjective Thought.; Foreword by George Kimball Plochmann. (Philosophical Explorations)
Southern Illinois University Press, 1984. Hardcover. 248pp. More
Fountainheads of Freedom: The Growth of The Democratic Idea.; With the Collaboration of Herbert W. Schneider
NY: Reynal & Hitchcock, 1941. Hardcover. 576pp. More
Negative Dialectics and the End of Philosophy.
Wolfeboro, NH: Longwood Academic, 1990. Hardcover. 441pp. More
Mind, Matter, and Method: Essays in Philosophy and Science in Honor of Herbert Feigl.
University of Minnesota Press, 1966. Hardcover. 524pp. More
The Theory of Epistemic Rationality.
Harvard University Press, 1987. Hardcover. 352pp. More
Beyond Humanism: Essays in the New Philosophy of Nature.
Chicago: Willett, Clark & Co., 1937, 1st edition. Hardcover. 317pp. More
The Life of Reason: Hobbes, Locke, Bolingbroke.; (The English Augustans.)
London: Longmans, Green, 1949. First edition. Hardcover. 272pp. More
The Romantic Syndrome: Toward a New Method in Cultural Anthropology and History of Ideas.; (International Scholars Forum 14)
The Hague: Martinus Nijhoff, 1961. Hardcover. 255pp., 20 b/w plates. More
The New World of Philosophy.
NY: Random House, 1961. Hardcover. First Printing. 346pp. More
Philosophy: The Study of Alternative Beliefs.
The Macmillan Co., 1961. Hardcover. 674pp. From the library of Herbert Spiegelberg. More
Experience and Conduct: A Philosophical Enquiry Into Practical Thinking.
Cambridge University Press, 1976. Hardcover. 268pp. More
Experience and Theory: An Essay in the Philosophy of Science.; (International Library of Philosophy and Scientific Method)
London: Routledge & Kegan Paul / NY: The Humanities Press, 1966. Hardcover. 250pp. More
Moral Notions.; (Studies in Philosophical Psychology)
NY: Humanities Press, 1967. Hardcover. [12mo] 166pp. More
Ethical Knowledge.; (Muirheas Library of Philosophy.)
London: George Allen & Unwin / NY: Humanities Press, 1970. Hardcover. 154pp. More
Philosophische Bemerkungen.; (American University Studies Series V, Philosophy, Vol. 93)
NY: Peter Lang, 1989. Hardcover. 224pp. More
Science and Reason.
Oxford University Press, 1990. Hardcover. 283pp. More
The Structure of Metaphysics.; With a Foreword by John Wisdom.
London: Routledge & Kegan Paul, 1955. Hardcover. l968 reprint. 280pp. More
The Nature of Physical Existence.; (Muirhead Library of Philosophy.)
George Allen & Unwin, 1972. Hardcover. 381pp. More