00350nam a2200121Ia 4500008004100000082001500041100001900056245004500075250000600120260003500126300000600161650006100167150614s9999    xx            000 0 und d  a307  ROS-C  aROSS MURRAY G.  aCASE HISTORIES IN COMMUNITY ORGANIZATION  a1  bHarper & Row  Publishersc1958  a0  aCASE HISTORIES IN COMMUNITY ORGANIZATION  ROSS MURRAY G.