000 | 00352 am a2200121 a 4500 | ||
---|---|---|---|
100 | 1 | _aMcDowell, J.C. | |
245 | 1 | _aDairy-herd improvement through cooperative bull associations | |
260 |
_aWashington _c1927 |
||
300 | _a1-14 p. | ||
942 |
_2udc _cB |
||
440 | _aUnited States Department of Agriculture. Farmers' Bulletin No. 1532 | ||
901 | _aS49034 | ||
999 |
_c105240 _d105240 |