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- Corporate/Agency Authors:
- Agricultural Engineering Bureau and Agriculture Department
- Publisher:
- Agricultural Engineering Bureau
- Date:
- [Nov. 1930, slightly revised June 1937, reprint 1939.]
- SuDoc number:
- A 1.9:1649/3-3
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- [Nov. 1923, revised Sept. 1931, reprint 1939.]
- SuDoc number:
- A 1.9:1311/2-6
- Corporate/Agency Authors:
- Plant Industry Bureau
- Publisher:
- Plant Industry Bureau
- Date:
- [May 1922, revised Nov. 1928, slightly revised Mar. 1938, reprint 1939.]
- SuDoc number:
- A 1.9:1264/3-2
- Corporate/Agency Authors:
- Home Economics Bureau
- Publisher:
- Home Economics Bureau
- Date:
- [Oct. 1937, reprint 1939.]
- SuDoc number:
- A 1.9:1778/1-2
- Corporate/Agency Authors:
- Agricultural Engineering Bureau and Agriculture Department
- Publisher:
- Agricultural Engineering Bureau
- Date:
- [June 1937, reprint 1939.]
- SuDoc number:
- A 1.9:1772/1-3
- Corporate/Agency Authors:
- Entomology and Plant Quarantine Bureau and Agriculture Department
- Publisher:
- Entomology and Plant Quarantine Bureau
- Date:
- [Jan. 1931, revised Mar. 1935, reprint 1939.]
- SuDoc number:
- A 1.9:1651/2-3
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- [Dec. 1930, revised Oct. 1936, reprint with slight changes 1939.]
- SuDoc number:
- A 1.9:1634/2-3
- Corporate/Agency Authors:
- Agricultural Engineering Bureau
- Publisher:
- Agricultural Engineering Bureau
- Date:
- [1939.]
- SuDoc number:
- A 1.9:1748/2
- Corporate/Agency Authors:
- Agricultural Engineering Bureau
- Publisher:
- Agricultural Engineering Bureau
- Date:
- [1939.]
- SuDoc number:
- A 1.9:1802/2
- Corporate/Agency Authors:
- Soil Conservation Service
- Publisher:
- Soil Conservation Service
- Date:
- [July 1936, reprint 1939.]
- SuDoc number:
- A 1.9:1758/1-2