00577nam a2200157Ia 4500008004100000010001300041040001700054082002700071100002100098245014900119260003200268300001300300650004700313700002700360700003200387190327s9999||||xx |||||||||||||| ||und||  a68-17187  aNITILcNITIL  221sta368.40973bB878P  aBrown, J Douglas 4aThe Princeton symposium on the American system of social insurancebits philosophy, impact and future development held in June,cJ Douglas Brown  aNew YorkbMcGraw-Hillc1968  ax, 255p.  aSocial security-America; Insurance-America  aBowen, William G (Ed.)  aHarbison, Frederick H (Ed.)