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- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Jan. 1939
- SuDoc number:
- A 1.4/2:511
- Corporate/Agency Authors:
- Agricultural Economics Bureau and Agriculture Department
- Publisher:
- Agricultural Economics Bureau
- Date:
- Mar. 1936 [reprint 1939]
- SuDoc number:
- A 1.4/2:383/1-2
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Jan. 1939
- SuDoc number:
- A 1.4/2:513
- Corporate/Agency Authors:
- Entomology and Plant Quarantine Bureau and Agriculture Department
- Publisher:
- Entomology and Plant Quarantine Bureau
- Date:
- Dec. 1938
- SuDoc number:
- A 1.4/2:568
- Corporate/Agency Authors:
- Agricultural Economics Bureau and Agriculture Department
- Publisher:
- Agricultural Economics Bureau
- Date:
- Dec. 1938
- SuDoc number:
- A 1.4/2:510
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- Dec. 1938
- SuDoc number:
- A 1.4/2:504
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- [Dec.] 1938
- SuDoc number:
- A 1.4/2:490
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Dec. 1938
- SuDoc number:
- A 1.4/2:501
- Corporate/Agency Authors:
- Entomology and Plant Quarantine Bureau and Agriculture Department
- Publisher:
- Entomology and Plant Quarantine Bureau
- Date:
- Nov. 1938
- SuDoc number:
- A 1.4/2:494
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Nov. 1938
- SuDoc number:
- A 1.4/2:500