Ragan, William Burk 1896- Modern elementary curriculum / William B. Ragan with problems and projects and photo comments by Celia Burns Stendler. - 3rd ed. - New York: Holt, Rinehart and Winston, 1966. - xii, 544 p. : ill. ; 24 cm. Includes bibliographical references and indexes. Subjects--Topical Terms: Education, Elementary--Curricula Dewey Class. No.: 372.19