00327nam a2200145Ia 45000030006000000080041000060400015000471000020000622450044000822500011001262600009001373000006001465460012001520050017001640STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHamilton Gordon  aTheory and practice of social case work  aSecond  c1956  a0  aEnglish20220125165730.0