The reference materials that I have used are cited at the appropriate,. places in the notes. The following is meant only as a partial list of those books which I have found especially helpful as background reading.
Adams, Henry. History of the United States, During the Administrations of Thomas Jefferson and James Madison. Houghton Mifflin Company. Boston, 1909.
Anderson, William. American Government ( 3rd ed.). Henry Holt & Company. New York, 1946.
Beard, Charles A. "An Economic Interpretation of the Constitution of the United State". The Macmillan Company. New York, 1913.
Bureau of Labor Statistics No. 499. History of Wages in the United States, from Colonial Times to 1928. 1929.
Cardozo, Benjamin N. Nature of the Judicial Process. Yale University Press. New Haven, 1922.
Carr, Robert K. Federal Protection of Civil Rights. Cornell University Press. Ithaca, N. Y., 1947.
Clark, Dan E. The West in American History. Thomas Y. Crowell Company. New York, 1937.
Commager, Henry S. Documents of American History ( 4th ed.). F. S. Crofts & Company. New York, 1948.
Cook, Walter W. The Logical and Legal Bases of the Conflict of Laws. Harvard University Press. Cambridge, 1942.
Dollard, John. Caste and Class in a Southern Town. Yale University Press. New Haven, 1937.
Fisher, Irving. The Purchasing Power of Money. The Macmillan Company. New York, 1920.
Frankfurter, Felix and Greene, Nathan. The Labor Injunction. The Macmillan Company. New York, 1930.
Frankfurter, Felix and Landis, James M. The Business of the Supreme Court. The Macmillan Company. New York, 1928.
Hamilton, Alexander, Madison, James and Jay, John. The Federalist.
Henderson, Gerard C. The Position of Foreign Corporations in American Constitutional Law. Harvard University Press. Cambridge, 1918.
Holdsworth, William S. History of English Law. Methuen & Company. London, 1924.
Holt, George C. The Concurrent Jurisdiction of Federal and State Courts. 1888.
Myers, Gustavus. History of the Supreme Court of the United States. C. H. Knox & Company. Chicago, 1912.
Oppenheimer, Heinrich. The Constitution of the German Republic. Stevens and Company. London, 1923.