Zim, Herbert Spencer Minerals their identification, uses, and how to collect them by Herbert S. Zim and Elizabeth K. Cooper. - New York Harcourt, Brace and Company [1943] - vi p., 2 b., 3-368 p. illus., diagrs. 21 cm. LCCN: 43015150 Subjects--Topical Terms: Mineralogy LC Class. No.: QE365 / .Z76 Dewey Class. No.: 549