Organ, Troy Wilson. The art of critical thinking. - 1st ed - Boston, Houghton Mifflin [1965] - xiii, 238 p. illus. 22 cm. ISBN: 9780773533591 LCCN: 65003423 Subjects--Topical Terms: Reasoning. LC Class. No.: BC177 / .O7 Dewey Class. No.: 160