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- Corporate/Agency Authors:
- Agriculture Department
- Publisher:
- Agriculture Department
- Date:
- 1918
- Corporate/Agency Authors:
- Soils Bureau and Agriculture Department
- Publisher:
- Soils Bureau
- Date:
- 1918
- Corporate/Agency Authors:
- Animal Industry Bureau and Agriculture Department
- Publisher:
- Animal Industry Bureau
- Date:
- 1918
- Corporate/Agency Authors:
- Porto Rico Agricultural Experiment Station, States Relations Service, and Agriculture Department
- Publisher:
- Porto Rico Agricultural Experiment Station
- Date:
- 1918
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- 1918
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- 1918
- Corporate/Agency Authors:
- Agriculture Department
- Publisher:
- Agriculture Department
- Date:
- 1918
- Corporate/Agency Authors:
- Entomology Bureau and Agriculture Department
- Publisher:
- Entomology Bureau
- Date:
- Oct. 14, 1916, revised Jan. 1918. 1918
- Corporate/Agency Authors:
- Agriculture Department
- Publisher:
- Agriculture Department
- Date:
- 1918
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- May 7, 1912, revised Aug. 1917. [Reprint] 1918