| 000 | 00318 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aRoberts, John W. | |
| 245 | 1 | _aApple blotch and its control | |
| 260 |
_aWashington _c1917 |
||
| 300 | _a1-11 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aApple United States Department of Agriculture. Bulletin No. 534 | ||
| 901 | _aS49554 | ||
| 999 |
_c106084 _d106084 |
||