Genre
Legislative hearings
276
Legislative materials
187
Documentary films
89
Documentary television programs
24
History
23
Television news programs
17
Juvenile literature
16
Environmental television programs
13
Nonfiction films
13
Biography
11
Legislative histories
11
Environmental films
9
Fiction
7
Short films
7
Anecdotes
6
Biographies
6
Conference papers and proceedings
6
Congresses
6
Environmental impact statements
6
Nature television programs
5
Feature films
4
Handbooks, manuals, etc
4
Juvenile films
4
Juvenile works
4
Periodicals
4
Treaties
4
Case studies
3
Children's films
3
Interviews
3
Statutes and codes
3
Travelogues (Television programs)
3
Wildlife films
3
Animated television programs
2
Cases
2
Children's television programs
2
Criticism, interpretation, etc
2
Educational television programs
2
Films for the hearing impaired
2
Juvenile fiction
2
Maps
2
Nature films
2
Nonfiction
2
Nonfiction television programs
2
Pictorial works
2
Science television programs
2
Sources
2
Television series
2
Textbooks
2
Academic theses
1
Activity books
1
more ...