00290nam a2200109Ia 4500082002400000100001900024245006000043260005200103300001500155500000500170700000500175  a338.917308bP451.AP  aPerloff, H. S.  aAlliance for progressba social invention in the making  aBaltimorebJohns Hopkins University Pressc1969  axvi, 253p.  a  a