Detjen, Ervin Winfred Elementary school guidance [by] Ervin Winfred Detjen. - New York McGraw-Hill 1952. - 240 p. 24 cm. - Guidance, counseling and student personnel in education McGraw-Hill series in education . LCCN: 91021113 /L Subjects--Topical Terms: Personnel service in elementary education. LC Class. No.: LB1027.5 / .D45 1963 Dewey Class. No.: 371.422