00332nam a2200109Ia 4500082002500000100001500025245011100040260003400151300002700185500000500212700000500217  a336.240942bSh542.PT  aShehab, F.  aProgressive taxation; a study in the development of the progressive principle in the British income tax.b  aOxfordbClarendon Pressc1953  avi, 299p. Bibl. Index.  a  a