Callahan, Joseph F. Teaching in the elementary school : planning for competence / Joseph F. Callahan and Leonard H. Clark. - New York : Macmillan publishing co., c1977. - x, 320 p. : ill. ; 25 cm. Includes bibliographies. ISBN: 0023180706 LCCN: 76151760 Subjects--Topical Terms: Elementary school teaching. Dewey Class. No.: 372.1102 / CAL