Subject (Genre)
- Census2
- Chronology2
- Documentary films2
- Educational films2
- Electronic books2
- Encyclopedias2
- Internet videos2
- Nonfiction films2
- Photobooks2
- Streaming videos2
- Bibliographies1
- Biographies1
- Caricatures and cartoons1
- Collections1
- Conference papers and proceedings1
- Conference proceedings1
- Congressional Rules and Procedural Materials1
- Controversial literature1
- Databases1
- Diaries1