Callahan, Sterling Grundy. Successful teaching in secondary schools a guide for student and in-service teachers Sterling G. Callahan. - Chicago Scott, Foresman [1966] - 566 p. illus. 24 cm. Includes bibliographies. LCCN: 65024449 //r90 Subjects--Topical Terms: High school teachingEducation, Secondary LC Class. No.: LB1737.A3 / C26 Dewey Class. No.: 373.13