Sprague, Elmer, Knowledge and value : introductory readings in philosophy / ed ited by Elmer Sprague [and] Paul W. Taylor. - New York : Harcourt, Brace, [1959]. - 717 p. ; 24 cm. Includes bibliographical References. LCCN: 59-006091 Subjects--Topical Terms: Philosophy --------Introductions. Dewey Class. No.: 190.82 SPR