Leahey, Thomas Hardy A history of psychology : main currents in psychological thought / Thomas Hardy Leahey. - 6th ed. - Upper Saddle River, N. J, c2004. - xviii, 571 p. : ill. ; 21 cm. References : p. 515 - 580. ISBN: 0131114476 Subjects--Topical Terms: Psychology--History. LC Class. No.: BF81 / L47 2004