Genre
Electronic books
25
Biography
9
Sources
6
Archives
3
Documentary television programs
2
Drama
2
Educational films
2
Film excerpts
2
History
2
Biographical television programs
1
Caricatures and cartoons
1
DVD-Video discs
1
Databases
1
Diaries
1
Essays
1
Historical reenactments (Television programs)
1
Historical television programs
1
Periodicals
1
Speeches in Congress
1
Video recordings for the hearing impaired
1