00310nam a2200133Ia 45000030006000000080041000060400015000471000019000622450036000812500010001172600020001275460012001470050017001590STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHenry Sidgwick  aPrinciples of political economy  aThird  bMacmillanc1901  aEnglish20220125165524.0