00545cam a22001337a 4500008004000000082001700040100006400057245011600121260005000237300001500287500002800302700002900330700005200359180718b1961   xxu||||| |||| 00| 0 eng d  aQ5065x42 Un3  aInterdepartmental committee on social and economic research  aSocial security statistics : material collectedcby Interdepartmental committee on social and economic research  aLondonbHer Majesty's Stationery Officec1961  aviii,169p.  aChairman : George North  aNorth, George (chairman)  aU.K.Ministry of Pensions And National Insurance