Author
- President of the United States942
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- Experiment Stations Office925
- Coast and Geodetic Survey900
- State Department870
- Military Affairs Committee825
- Various Bureaus819
- Interior, Department of the785
- Agriculture Department770
- Claims Committee737
- Commerce and Labor Department705
- Post-Office Department683
- Interstate Commerce Commission678
- Postal Service, Commission to Investigate676
- Staff Corps, General652
- Civil Service Commission651
- Commerce and Labor, Department of641
- Congress of the United States637
- Geological Survey (Interior Department)568
- National Museum463