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Tax-exempt Securities and the surtax : by Charles O. Hardy
Hardy, Charles O., (1926)
December 29, 1899 to March 31, 1929
(1930)
Reports of the United States Board of Tax Appeals
(1943)
Materials from Charles O. Hardy's course on money and banking, economics 330, University of Chicago, 1933 - 1934
Samuels, Warren J., (2005)
War Finance, Price Control, and Industrial Mobilization
Hardy, Charles O., (1941)
Hardy on Federal Reserve Policy: A Review and a Comment
Reed, Harold L., (1933)