. . . . "Internal revenue laws. Internal revenue statutes now in force with notes referring to all decisions of the courts and departmental rulings, circulars, and instructions, reported to October 1, 1870" . . . "Internal revenue statutes now in force" . "Internal revenue laws Internal revenue statutes now in force; with notes referring to all decisions of the courts and departmental rulings, circulars, and instructions, reported to October 1, 1870" . "Internal revenue laws Internal revenue statutes now in force; with notes referring to all decisions of the courts and departmental rulings, circulars, and instructions, reported to October 1, 1870"@en . . . . . . . . .