Lewis, June E. The teaching of science in the elementary school June E. Lewis [and] Irene C. Potter. - Englewood Cliffs, N.J. Prentice-Hall 1961. - 381 p. illus. 26 cm. LCCN: 61017182 /L Subjects--Topical Terms: Science--Study and teaching (Elementary) LC Class. No.: LB1585 / .L4 Dewey Class. No.: 372.35