Kramer, Rita. Maria Montessori : a biography / Rita Kramer ; foreword by Anna Freud. - Reading, Mass. : Addison, 1988. - 410 p. : ill. - Radcliffe biography series . Includes bibliographical references. ISBN: 0201092271 : $14.95 LCCN: 88022287 Subjects--Personal Names: Montessori, Maria, 1870-1952. Subjects--Topical Terms: Educators--Biography. Dewey Class. No.: 921