Genre
Legislative materials
236
Legislative hearings
201
Documentary films
41
Juvenile literature
32
Documentary television programs
20
Television news programs
12
Wildlife recovery plans
11
Congresses
9
Fiction
9
Nonfiction films
9
Legislative histories
8
Nature television programs
8
Nonfiction television programs
8
Environmental films
7
Conference papers and proceedings
6
Posters
6
Short films
6
History
5
Juvenile works
5
Cases
4
Rules and practice
4
Wildlife television programs
4
Educational films
3
Interviews
3
Anecdotes
2
Bibliography
2
Case studies
2
Children's films
2
Documentary
2
Educational television programs
2
Environmental television programs
2
Feature films
2
Films for the hearing impaired
2
Juvenile fiction
2
Mechanical works
2
Nature films
2
Pictorial works
2
Science films
2
Science television programs
2
Specimens
2
Action and adventure fiction
1
Activity programs
1
Adventure stories
1
Alphabet books
1
Animal fiction
1
Artists' books
1
Bibliographies
1
Biography
1
Board books
1
Children's audiobooks
1
more ...