| 000 | 00375 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aOlson, Otto, Haley, D.E. | |
| 245 | 1 | _aResults of tobacco experiments in Pennsylvania 1922-1927 | |
| 260 |
_aPennsylvania _c1929 |
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| 300 | _a1-22 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aTobacco, Experiment Pennsylvania Agricultural Experiment Station. Bulletin No. 240 | ||
| 901 | _aS47903 | ||
| 999 |
_c103867 _d103867 |
||