Kelly, Francis John, 1905- Educational psychology : A behavioral approach / [By] Francis J. Kelly [and] John J. Cody. - Columbus, Ohio : C. E. Merrill Publ. Co., [1969]. - xi, 339 p. : ill., forms. ; 23 cm. Includes bibliogr. references. ISBN: 0675095395 Subjects--Topical Terms: Educational psychology. Dewey Class. No.: 370.15