00337nam a2200145Ia 4500003000500000008004100005020001000046040000900056041001200065082002400077100002000101245004200121260000600163650002200169NDCL180829s9999||||ii |||||||||||||| ||eng||  a10720  aNDCL  aEnglish  a301.44 TMM216th ed  aTumin, Melvin M 0aSocial StratificationcMelvin M Tumin  c0  aPolitical Science