PERSING, ELLIS C.
Elementary science by grades; a nature study and science reader. Book 2. By Ellis C. Persing & Elizabeth K. Peeples. Colored illus. by R. Bruce Horsfall.
PERSING, ELLIS C. Elementary science by grades; a nature study and science reader. Book 2. By Ellis C. Persing & Elizabeth K. Peeples. Colored illus. by R. Bruce Horsfall. © on revisions; 2Jul35; A83894. Ellis C. Persing, Jr. & Dorothy E. Peeples (C); 11Sep62; R301101.
Ellis C. Persing, Jr. & Dorothy E. Peeples|C