9. Sparks, E. E. National Development, in The 

 American Nation, Vol. XXIII (1907), Chap- 

 ter XVIII. 



10. Veblen, T. R.The Price of Wheat Since 1867, 



in The Journal of Political Economy, Vol. I, 

 1892, pp. 68-103. 



11. Annual Report of the Statistician, in the Annual 



Reports of the United States Department of 

 Agriculture. Consult those portions of the 

 Statistician's Reports which treat of the 

 growth of the. grain, live-stock, and cotton mar- 

 kets. See especially the Report of the Sta- 

 tistician for 1876. 



12. Annual Report on the Internal Commerce of the 



United States. United States Treasury De- 

 partment. Bureau of Statistics. Issued from 

 1876 to 1891, as Part II of the Annual Re- 

 port on Foreign Commerce and Navigation of 

 the United States during this period. These 

 reports contain a large amount of valuable 

 historical material. The report for 1887 is 

 especially valuable for the statistical informa- 

 tion concerning the trade in the Mississippi 

 River. No statistics on internal trade were 

 compiled between 1892 and 1899, except G. G. 

 Tunnell's Lake Commerce (1899). 



13. Annual Report of the Chicago Board of Trade 



(1858-1900). 



14. Annual Report of the New York Chamber of 



Commerce (1855-1900). 



15. The Commercial and Financial Chronicle 



(1865-1900). 



16. The Journal of Commerce (1827-1900). 



77 



