Ryans, David Garriott Characteristics of teachers, their description, comparison, and appraisal a research study. - Washington American Council on Education [1960] - xxiii, 416 p. illus., tables. 25 cm. Includes bibliographies. LCCN: 60007727 Subjects--Topical Terms: Teachers LC Class. No.: LB1775 / .R9 Dewey Class. No.: 371.11