DeRoche, Edward F. Creative units for the elementary school teacher / by Edward F. DeRoche and Erika Gierl. - West Nyack, N.Y. : Parker Pub. Co. , 1969 - ix, 229 p. : illus. 24 cm. Includes bibliographies. Subjects--Topical Terms: Activity programs in education. LC Class. No.: LB1027 / .D43 Dewey Class. No.: 371.3 / DEC 1969