Parker, Bertha Morris. Plant factories / Bertha Morris Parker and Orlin D. Frank ; illustrated by Matilda Breuer. - Illinois : Row, Peterson, c1944. - 35 p. : ill. ; 23 cm. - The Basic Science Education Series . ISBN: (N.A.) : (N.A.) Subjects--Topical Terms: Food technology.Fruit.Vegetables.Edible plants.Food processing, plants.Food Biotechnology.Sugar factrories.Agriculture processing, plants. Dewey Class. No.: T 631.52