Subject (Genre)
- Legislative hearings122
- Cases99
- Monographs96
- Biography84
- Etchings83
- Satires (Visual works)83
- Hearings78
- Tracts (literary works)76
- Caricatures and cartoons69
- Nonfiction films69
- Bibliography63
- Streaming video54
- Internet videos52
- Correspondence47
- Maps46
- Rules and practice45
- Academic theses43
- Speeches in Congress36
- Documentary films34
- Poetry32