Keith, Lowell G. Contemporary curriculum in the elementary school [by] Lowell Keith, Paul Blake [and] Sidney Tiedt. - New York, Harper & Row [1968] - Exploration series in education . Includes bibliographies. LCCN: 68010194 //r90 Subjects--Topical Terms: Education, Elementary -- Curricula.--Education, Elementary -- Curricula.Education, Elementary. LC Class. No.: LB1570 / .K4 Dewey Class. No.: 372.1/9