01011cam a22002651 4500 e 29000173 DLC 20260227111219.0 760120s1928 xx 000 0 eng c e 29000173 (OCoLC)1937351 U.S. Off. of educ. Library NNepaSU NNepaSU DLC premarc Q161 .P45 Persing, Ellis C. Elementary science by grades ... a nature study and science reader, by Ellis C. Persing ... and Elizabeth K. Peeples ... colored illustrations by R. Bruce Horsfall. New York, D. Appleton and company [c1928-30] 6 v. fronts. (v.2-3) illus. (part col.) col. plates. 20 cm. Elementary science by grades. "Edited by F. W. Ballou." Books 2-6 have subtitle: A nature study and science reader. Science Juvenile literature. Readers Science. Peeples, Elizabeth K., joint author. 20966 20966