Skinner, Charles E. Essentials of educational psychology / Philip Lawrence Harriman and edited by Charles E. Skinner - Englewood Cliffs, N.J. : Prentice-Hall, 1958 - 528 p. : illus. ; 22 cm. "Formerly published as Elementary educational psychology Includes bibliography Subjects--Topical Terms: Educational psychologySchool psychology Dewey Class. No.: 370.15