000 00253 a2200109 4500
080 _a637
_bW 315 P
245 1 _aProductive dairying
_cby R.M. Washburn
260 _aPhiladelphia
_c1917
650 _aDairying
100 1 _aWashburn, R.M.
_d
901 _a12226
999 _c50893
_d50893