| 000 | 00383 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aRichey, Feederick D. | |
| 245 | 1 | _aEffect of selection on the yield of a cross between varieties of corn | |
| 260 |
_aWashington _c1924 |
||
| 300 | _a1-20 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aYield, Varieties, Corn United State of Department of Agriculture. Bulletin No. 1209 | ||
| 901 | _aS48185 | ||
| 999 |
_c104179 _d104179 |
||