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| 100 | _aERNEST BROWN BABCOCK | ||
| 100 | _aROY ELWOOD CLAUSEN | ||
| 245 | 0 | _aGENETICS RELATION TO AGRICULTURE | |
| 250 | _a2nd Ed. | ||
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_bMCGRAW-HILL BOOK COMPANY INC _c1927 |
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| 300 | _a673 | ||
| 942 | _cTB | ||
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_c32776 _d32776 |
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