Genre
Congresses
41
Maps
32
Classification
24
Handbooks, manuals, etc
24
Handbooks and manuals
15
Juvenile literature
10
Legislative hearings
8
Conference papers and proceedings
6
Early works to 1800
5
Laboratory manuals
5
Legislative materials
5
Documentary films
4
Environmental films
4
History
4
Feature films
3
Juvenile works
3
Nonfiction films
3
Congress
2
Databases
2
Educational films
2
Field guides
2
Live-action/animation films
2
Activity books
1
Anecdotes
1
Case studies
1
Catalogs
1
Charts, diagrams, etc
1
Documentary television programs
1
Informational works
1
Instructional and educational works
1
Instructional films
1
Miscellanea
1
Observations
1
Science films
1
Short films
1
Technical reports
1
Terminology
1
Trivia and miscellanea
1
Wall charts
1
handbooks
1