- Dirigible Disasters, Joint Committee to Investigate1
- District of Colombia Committee1,323
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- District of Columbia Armory Commission1
- District of Columbia Committee5
- District of Columbia Committee, House866
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- District of Columbia Committtee, Senate7
- District of Columbia Excise Board, Special Committee to Investigate Conduct of2
- District of Columbia and United States, Joint Committee on Fiscal Relations Between4
- District of Columbia and United States, Select Committee to Investigate Fiscal Relations Between, House6
- District of Columbia and United States. Joint Select Committee to Investigate Fiscal Relations Between2
- District of Columbia, Commission to Investigate Title of United States to Lands in7
- District of Columbia, Committee on Corporations Organized in4
- District of Columbia, Select Committee to Investigate Public School System of4
- Documents Office1
- East St. Louis Riots, Special Committee to Investigate1
- Economic Joint Committee5
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