000 00331 am a2200121 a 4500
100 1 _aSwarthout, A.V.
245 1 _aSystem of accounting for cotton ginneries
260 _aWashington
_c1921
300 _a1-42 p.
942 _2udc
_cB
440 _aCotton United States Department of Agriculture. Bulletin No. 985
901 _aS49535
999 _c106068
_d106068