Osborn, Alex F. Applied imagination; principles and procedures of creative thinking. - Rev. ed. - New York, Scribner [1957] - 379 p. 21 cm. Includes bibliographies. LCCN: 57007589 Subjects--Topical Terms: Creation (Literary, artistic, etc.) LC Class. No.: BF408 / .O775 1957 Dewey Class. No.: 155.333