Lucio, William H. Supervision : a synthesis of thought and action / William H. Lucio, John D. McNeil. - 2d ed. - New York : McGraw-Hill, 1969. - x, 329 p. ; 23 cm. - McGraw-Hill series in education . Third ed. published under title: Supervision in thought and action. Includes bibliographies. Subjects--Topical Terms: School supervision LC Class. No.: LB2805 Dewey Class. No.: 371.2