000 00317nam a2200121Ia 4500
008 170101s1949 xx 000 0 und d
082 _a307314 KEl
100 _aKelsey, L. D.
245 0 _aCooperative Extension Work.
260 _aNew York
_bComstock Pub. Associates
_c1949
300 _a424 p.
942 _2ddc
_cEG
999 _c1943066
_d1943066