A treatise on the Federal Income Tax Law of 1913 : including therein a commentary on the act itself, together with an appendix containing the text of the Federal Income Tax Law of October 3rd, 1913, and the Treasury regulations in relation thereto, together with text of the following income tax enactments : Act of August 5th, 1861; Act of July 1st, 1862; Act of March 3rd, 1863; Act of June 30th, 1864; Act of March 3rd, 1865; Act of July 13th, 1866; Act of March 2nd, 1867; Act of July 14th, 1870 / by Thomas Gold Frost.