00302cam a22000977a 4500008004000000082001700040100001500057245007300072260005000145300000900195180718b1966   xxu||||| |||| 00| 0 eng d  aQ921x42 Un3s  aBarr, Hugh  aSurvey of group work in the probation service : reportcby Hugh Barr  aLondonbHer Majesty's Stationery Officec1966  a94p.