Lewis, Clarence Irving, 1883-1964. An analysis of knowledge and valuation / Analysis of knowledge & valuation by Clarence Irving Lewis. - La Salle, Ill. : Open Court, 1946 [printing 1950]. - xxi, 568 p. ; 24 cm. - 7th ser. Paul Carus lectures ; . Includes index. Subjects--Topical Terms: Knowledge, Theory of. Dewey Class. No.: 121 / LEA 1950