Keith, Lowell G. Contemporary curriculum in the elementary school [by] Lowell Keith, Paul Blake [and] Sidney Tiedt. - New York Harper & Row [1968] - xii, 228 p. 22 cm. - Exploration series in education . Includes bibliographies. LCCN: 68010194 Subjects--Topical Terms: Education , Elementary--Curricula.Education , Elementary--1965- LC Class. No.: LB1570 / .K4