The Book of knowledge; - Toronto, The Grolier society limited; [c1935] - 20 v. fronts. (v. 1, 3, 8, 13, 16, 18) illus. (part col.) plates (part col., 1 double) diagr. 25 cm. LCCN: 35013062 Subjects--Topical Terms: Encyclopedias and dictionaries. LC Class. No.: AG5 .M4 1935 / .M4 1935