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- Corporate/Agency Authors:
- Public Health Service and Smithsonian Institution
- Publisher:
- Public Health Service
- Date:
- Revised Jan. 1918. 1918
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- 1918
- Corporate/Agency Authors:
- Training Service
- Publisher:
- Training Service
- Date:
- 1918
- Corporate/Agency Authors:
- Training Service
- Publisher:
- Training Service
- Date:
- 1918
- Corporate/Agency Authors:
- Government Printing Office Documents Office
- Publisher:
- Government Printing Office Documents Office
- Date:
- Jan. 1918
- Corporate/Agency Authors:
- Reclamation Service and Interior Department
- Publisher:
- Reclamation Service
- Date:
- 1918
- Corporate/Agency Authors:
- Farm Management Office and Agriculture Department
- Publisher:
- Farm Management Office
- Date:
- 1918
- Corporate/Agency Authors:
- Publications Division and Agriculture Department
- Publisher:
- Publications Division
- Date:
- 1918
- Corporate/Agency Authors:
- Publications Division and Agriculture Department
- Publisher:
- Publications Division
- Date:
- 1918
- Corporate/Agency Authors:
- Farm Management Office and Agriculture Department
- Publisher:
- Farm Management Office
- Date:
- Apr. 24, 1915, reprinted [with slight changes] Jan. 1918