| Acworth, W. M. | The Railways of England |
| Adams, C. F., Jr. | Railroads, Their Origin and Problems |
| Adams, H. C. | Public Debts |
| Adams, Henry | History of the United States |
| Atkinson, Edward | The Distribution of Products |
| Bagehot, Walter | The English Constitution |
| Baker, C. W. | Monopolies and the People |
| Beach, Charles F., Jr. | On Private Corporations |
| Blackstone, W. | Commentaries on Laws of England |
| Boisted, C. A. | The Interference Theory of Government |
| Bolles, Albert S. | Bankers' Magazine |
| Bonham, John M. | Railway Secrecy and Trusts |
| Bryce, James | The American Commonwealth |
| Buckle, H. T. | History of Civilization of England |
| Carey, H. C. | Principles of Social Science |
| Carey, H. C. | Unity of Law |
| Cary, M. | View of System of Pennsylvania Internal Improvements. |
| Cloud, D. C. | Monopolies and the People |
| Clews, Henry | Twenty-eight Years in Wall Street |
| Cooley, Thomas M. | Constitutional Limitations |
| Congressional Record. | |
| Compilation of English Laws upon Railways. |
| Dabney, W. D. | The Public Regulation of Railways |
| Dillon, Sidney | North American Review |
| Dorn, Alexander | Aufgaben der Eisenbahnpolitik |
| Draper, J. W. | Intellectual Development of Europe |
| Encyclopedia, American. | |
| Encyclopedia Britannica. | |
| Encyclopädie (Röll's) des Eisenbahnwesens, 1892. |
| Findlay, George | Working and Management of English Railways |
| Fink, Albert | Cost of Railroad Transportation, etc. |
| Fisher, G. P. | Outlines of Universal History |
| Fisk, John | American Political Ideas |
| Fish, John | Critical Period of American History |
| Foreign Commerce of American Republics and Colonies. |
| Graham, Wm. | Socialism Old and New |
| Gibbon, Edward | Decline and Fall of the Roman Empire |
| Green, John K. | History of English People |
| Gilpin, Wm. | The Cosmopolitan Railway |
| Grinnell, J. B. | Men and Events of Forty Years. |
| Gunton, George | Wealath and Progress |
| Guizot, M. | History of Civilization |
| Habour, Theodor | Geschichte des Eisenbahnwesens |
| Hadley, A. T. | Railway Transportation |
| Hall's Life of Prince Bismarck. | |
| Hudson, J. T. | The Railways and the Republic |
| Jeans, J. S. | Railway Problems |
| Jervis, John B. | Railway Property |
| Jevons, W. S. | Methods of Social Reform |
| Kent, James | Commentaries on American Law |
| Kirkman, M. M. | Railway Rates and Government Control and other works |
| Leckey, W. E. H. | England in Eighteenth Century |
| Lieber, Francis | Political Ethics |
| Lieber, Francis | Civil Liberty and Self-Government |
| Lieber, Francis | Miscellaneous Essays |
| Lodge, H. C. | Life of General Washington |
| Martineau, Harriet | History of England |
| McMaster, J. B. | History of People of United States |
| Macaulay, T. B. | History of England |
| Motley, J. L. | The Dutch Republic |
| Motley, J. L. | The United Netherlands |
| Paine, Charles | The Elements of Railroading |
| Patten, J. H. | Natural Resources of the United States |
| Peffer, W. A. | The Farmer's Side |
| Poor's Railway Manual | |
| Porter, Horace | North American Review |
| Rawlinson, George | Seven Great Monarchies |
| Redfield | On Law of Railways |
| Records of Central Iowa Traffic Association, 1886-1887. |
| Records of Association of General Freight Agents of the West. | |
| Records of Joint Western Classification Committees. | |
| Reports of State Boards of Commissioners. |
| Report of Hepburn Committee. |
| Reports of United States Census. |
| Report of Windom Committee. |
| Report of Bankers' Association, 1892. |
| Report of Cullom Committee. |
| Roemer, Jean | Origin of English People, etc. |
| Reubeaux, F. | Der Weltverkehr und seine Mittel |
| Richardson, D. N. | A Girdle Round the Earth |
| Rogers, James E. Thorold | Economic Interpretation of History |
| Roscher, Wm. | Political Economy |
| Schreiber | Die Preussischen Eisenbahnen |
| Schurz, Carl | Life of Henry Clay |
| Smith, Adam | Wealth of Nations |
| Spelling, T. Carl | On Private Corporations |
| Spencer, Herbert | Synthetic Philosophy |
| Stern, Simon | Constitutional History and Political Development of the United States |
| Stickney, A. B. | The Railroad Problem |
| Statistiques des Chemins de Fer de l'Europe, 1882. |
| Taylor, Hannis | Origin and Growth of the English Constitution |
| The American Railway. | Published by Charles Scribner's Sons. |
| Verschoyle, Rev. J. | History of Ancient Civilization |
| Von Weber, M. M. | Privat-, Staats- und Reichs-Bahnen |
| Von Weber, M. M. | Nationalität und Eisenbahn Politik |
| Von der Legen, Alfred | Die Nordamerikanischen Eisenbahnen |
| Walker, Aldace F. | The Forum |
| Weeden, W. B. | Economic and Social History of New England |