mules, cattle, sheep and swine), pp. cix-cxxix. 

 Study especially the distribution of products 

 according to geographic sections, and note the 

 growing differentiation between northern agri- 

 culture under a system of small farms and free 

 labor and southern agriculture under a sys- 

 tem of large plantations and slave labor. 



24. Annual Report of the Commissioner of Patents, 



1830 to 1862. The Agricultural reports of 

 the government were printed as a part of the 

 reports of the Commissioner of Patents during 

 this period. 



25. Annual Reports of the State Departments of 



Agriculture to 1860. 



26. State Census Reports to 1860. 



XVI. 



INTERNAL TRADE AND TRANSPORTATION. 



1815-1860. 



1. Bogart, E. L. Economic History of the United 



States. (Revised Edition of 1912.) Chap- 

 ter XV and pp. 228-235. See map opposite 

 page 232, showing railroads, canals, stage 

 lines, and Cumberland road in 1850. 



2. Bogart, E. L., and Thompson, C. M. Readings 



in the Economic History of the United States, 

 Chapter XII. 



3. Callender, G. S. Selections from the Economic 



History of the United States, Chapter VIII. 



4. Cleveland, F. A., and Powell, F. W Railroad 



Promotion and Capitalization in the United 

 States, Chapters I to XV, inclusive. 



5. Cotterill, R. S. Southern Railroads and West- 



ern Trade; 1840-1850, in The Mississippi Val- 

 ley Historical Review, Vol. Ill, No. 4, March, 

 1917, pp. 427-441. 



6. Day, Clive. History of Commerce. New Edi- 



tion of 1914, Chapter 48. 

 49 



