Chapter 6 of 20 · 46 words · ~1 min read

Book 1

. By Wilbur L. Beauchamp, Glenn O. Blough & Mary Melrose. © 18Feb38; AA259271. Scott, Foresman & Co. (PWH); 14Feb66; R379361.

Science for children. By Wilbur L. Beauchamp & Joe Young West. NM: revisions. © 16Apr38; A116417. Scott. Foresman & Co. (PWH); 3Mar66; R380920.

Science problems.