00406nam a2200133   450000500170000000800040001704000090002105000200003024500940005026000530014430000190019750000380021665000180025420150506093420.0000  aUOEL  aHT608bS62 1970  aSocial Stratification :bResearch and Theory for the 1970s /cEdited by Edward O. Laumann  aNew York ;bThe Bobbs- Merrill Company ,cc1970.  a280 p. :bill.  aincludes bibliographies and index  2Communities :