000 00274nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aWalter L.Slocum
245 0 _aAgricultural sociology
260 _bHarper & row
260 _c1962
365 _b59.52
942 _cBK
999 _c196538
_d196538