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- Corporate/Agency Authors:
- Agricultural Engineering Bureau and Agriculture Department
- Publisher:
- Agricultural Engineering Bureau
- Date:
- Nov. 1931
- SuDoc number:
- A 1.4/2:195
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Nov. 1931
- SuDoc number:
- A 1.4/2:187
- Corporate/Agency Authors:
- Home Economics Bureau
- Publisher:
- Home Economics Bureau
- Date:
- Dec. 1928, revised Oct. 1931. 1931
- SuDoc number:
- A 1.4/2:50/2
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Oct. 1931
- SuDoc number:
- A 1.4/2:191
- Corporate/Agency Authors:
- Entomology Bureau and Agriculture Department
- Publisher:
- Entomology Bureau
- Date:
- Oct. 1931
- SuDoc number:
- A 1.4/2:189
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Oct. 1931
- SuDoc number:
- A 1.4/2:186
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Sept. 1931
- SuDoc number:
- A 1.4/2:173
- Corporate/Agency Authors:
- Dairy Industry Bureau and Agriculture Department
- Publisher:
- Dairy Industry Bureau
- Date:
- Sept. 1931
- SuDoc number:
- A 1.4/2:180
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Sept. 1931
- SuDoc number:
- A 1.4/2:184
- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- Sept. 1931
- SuDoc number:
- A 1.4/2:185