Genre
Legislative materials
39
Legislative hearings
16
Congresses
12
Documentary films
8
Technical reports
7
Handbooks, manuals, etc
5
Documentary television programs
4
Case studies
3
Conference papers and proceedings
3
Television news programs
3
Handbooks and manuals
2
History
2
Juvenile literature
2
Posters
2
Short films
2
Academic theses
1
Bibliography
1
Guides et manuels
1
Handbook
1
Instructional films
1
Instructional television programs
1
Juvenile works
1
Legislative histories
1
Maps
1
Nonfiction films
1
Nonfiction television programs
1
Observations
1
Statistics
1
Television programs
1
Video recordings for the hearing impaired
1
dissertations
1