The theory of industrial location, 254.— Preliminary deductions in the case of the shoe industry, 255.— History of the distribution of the industry. Period 1630–1760: non-localized hand work, 257.— Period 1760–1860: localization of the hand industry, relation of railroads to factors of transportation and labor cost, 259.— Period 1860–1900: effect of mechanization, shifts in the tanning industry, changes in financing; equalization of regional advantages, 264.— Period since 1900: rapid style changes, foreign markets, labor organization, 269.— Outlook for the future, 273.— The theory in the light of experience in the shoe industry, 274.