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- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- [May 1930, slightly revised Aug. 1937.] [1937.]
- SuDoc number:
- A 1.9:1629/2
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- [Aug. 1929, revised Aug. 1937.] [1937.]
- SuDoc number:
- A 1.9:1603/2
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- [July 1937.]
- SuDoc number:
- A 1.9:1777
- Corporate/Agency Authors:
- Animal Industry Bureau, Agricultural Engineering Bureau, and Agriculture Department
- Publisher:
- Animal Industry Bureau
- Date:
- [Feb. 1918. revised July 1937.] [1937.]
- SuDoc number:
- A 1.9:920/8
- Corporate/Agency Authors:
- Soil Conservation Service
- Publisher:
- Soil Conservation Service
- Date:
- [July] 1937
- SuDoc number:
- A 1.9:1773
- Corporate/Agency Authors:
- Animal Industry Bureau
- Publisher:
- Animal Industry Bureau
- Date:
- [Jan. 1925, revised June 1937.] [1937.]
- SuDoc number:
- A 1.9:1395/4
- Corporate/Agency Authors:
- Agricultural Engineering Bureau and Agriculture Department
- Publisher:
- Agricultural Engineering Bureau
- Date:
- [June 1937.]
- SuDoc number:
- A 1.9:1772
- Corporate/Agency Authors:
- Dairy Industry Bureau
- Publisher:
- Dairy Industry Bureau
- Date:
- [Oct. 1929, slightly revised June 1937.] [1937.]
- SuDoc number:
- A 1.9:1604/2
- Corporate/Agency Authors:
- Chemistry and Soils Bureau
- Publisher:
- Chemistry and Soils Bureau
- Date:
- [1923, slightly revised June 1937.] [1937.]
- SuDoc number:
- A 1.9:1366/3
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- [June 1937.]
- SuDoc number:
- A 1.9:1776