Subject (Genre)
- Contested Election Materials22
- Calendars18
- Case studies18
- Electronic books16
- Records and correspondence16
- Resolutions15
- Speeches in Congress14
- Archives13
- History12
- Anecdotes11
- Congressional addresses11
- Monographs11
- Sources10
- Congresses9
- Periodicals9
- Portraits9
- Autobiographies7
- Broadsides7
- Legislative materials7
- Rules7