00445cam a2200157 a 45000010008000000030008000080050017000160080041000330350012000740400038000860820017001241000040001412450048001812600031002293000027002601020192BD-DhUL20160802145951.0891027s1952    nyu               0 eng d  a1020192  aNUN:SbengcNUN:SdNUN:SdBD-DhUL  a973.917bALB1 aAllen, Frederick Lewis,d1890-1954.14aThe big change /cby Frederick Lewis Allen.  aNew York :bHarper,c1952.  axi, 308 p. : c23 cm.