Zilversmit, Arthur. Changing schools : progressive education theory and practice, 1930-1960 / Arthur Zilversmit. - Chicago : University of Chicago Press, c1993. - xvii, 251 p. : ill. ; 24 cm. Includes bibliographical references (p. [191]-236) and index. ISBN: 0226983293 (cloth) (alk. paper) 0226983307 (pbk.) LCCN: 92021402 Subjects--Topical Terms: Progressive education--History--United States--20th century.Educational change--History--United States--20th century. LC Class. No.: LB 1027.3 / .Z55 1993