00345nam a2200121Ia 45000030006000000080041000060400015000471000034000622450068000962600030001645460012001940050017002060STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHenry William Spiegel; Editor  aDevelopment of economic thought great economists in perspective  bJohn Wiley and Sonsc1961  aEnglish20220125165450.0