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- Corporate/Agency Authors:
- National Park Service and Interior Department
- Publisher:
- National Park Service
- Date:
- Feb. 2, 1920
- Corporate/Agency Authors:
- Mines Bureau and Interior Department
- Publisher:
- Mines Bureau
- Date:
- [1st edition.] [Feb.] 1920
- Corporate/Agency Authors:
- Engineering Division
- Publisher:
- Engineering Division
- Date:
- Feb. 1920
- Corporate/Agency Authors:
- Documents Office and Government Printing Office
- Publisher:
- Documents Office
- Date:
- Feb. 1920
- Corporate/Agency Authors:
- Adjutant General's Department
- Publisher:
- Adjutant General's Department
- Date:
- Feb. 1920
- Corporate/Agency Authors:
- Air Service and War Department
- Publisher:
- Air Service
- Date:
- Feb. 1920
- Corporate/Agency Authors:
- Internal Revenue Commissioner and Treasury Department
- Publisher:
- Internal Revenue Commissioner
- Date:
- Feb. 1920
- Corporate/Agency Authors:
- Government Actuary and Treasury Department
- Publisher:
- Government Actuary
- Date:
- Feb. 1, 1920
- Corporate/Agency Authors:
- Entomology Bureau and Agriculture Department
- Publisher:
- Entomology Bureau
- Date:
- Feb. 1920
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Feb. 1920