Problems in American Democracy
Chapter 19
14. Power. (Smith, _Commerce and Industry_, chapter ix.)
15. Mineral industries in the United States. (Bishop and Keller, Industry and Trade, part iv. Smith, _Commerce and Industry_, chapters viii, xiii, xiv, and xv.)
16. Manufacturing industries in the United States. (Bishop and Keller, _Industry and Trade_, part v.)
17. Trade routes of North America. (Smith, _Commerce and Industry_,