Sizer, Theodore R. Places for learning, places for joy; speculations on American school reform [by] Theodore R. Sizer. - Cambridge, Mass., Harvard University Press, 1973. - xi, 167 p. 22 cm. ISBN: 0674669851 LCCN: 72086381 LC Class. No.: LA217 .S58 / .S58 Dewey Class. No.: 370/.973