003170000a22001210004500060000800000082002000008100002900028245002700057260004500084260000900129300000800138650004900146  a100  a658.  80963 THO  aThomsen, Frederick Lundy  aAgricultural marketing  aNew York, Mc Graw- Hill Book Company Inc  c1951  a483  aAgricultural marketing/marketing-agriculture