Hullfish, Henry Gordon, 1894- Reflective thinking : the method of education / H. Gordon Hullfish and Philip G. Smith. - Westport, Conn : Greenwood Press, 1961. - xii, 273 p. ; 23 cm. Includes bibliographies and index. Open access. ISBN: 031320005X LCCN: 7716064 Subjects--Topical Terms: Thought and thinking.