[760] Charles Francis and Henry Adams, Chapters of Erie and Other Essays. Boston, 1871.
[761] George Crouch, Another Chapter of Erie. New York, 1869.
[762] Milton Reizenstein, Economic History of the Baltimore & Ohio, 1827–53. Johns Hopkins University Studies, July-August, 1897.
[763] W. P. Smith, The Book of the Great Railway Celebrations of 1857. New York, 1858.
[764] Laws, Ordinances, and Documents Relating to the Baltimore & Ohio Railroad Company. Baltimore, 1840.
[765] E. V. Smalley, History of the Northern Pacific Railroads. New York, 1883.
[766] B. H. Meyer, A History of the Northern Securities Case. Bulletin of the University of Wisconsin, July, 1906.
[767] Alfred von der Leyen, v. supra.
[768] W. W. Chapman, The Northern Pacific Railroad. Washington, 1880.
[769] Robert von Schlagintweit, Die Santa Fe und Sudpacificbahn in Nordamerika. Köln, 1884.