Genre
Statistics
121
Periodicals
25
Legislative hearings
18
Instructional television programs
13
Documentary television programs
11
Nonfiction television programs
11
Databases
7
Handbooks and manuals
7
Case studies
5
Conference papers and proceedings
4
Directories
4
Bibliographies
3
Congresses
3
Catalogs
2
Serial publications
2
Video recordings
2
Academic theses
1
Cases
1
Dictionaries
1
Educational films
1
Encyclopedias
1
Fiction
1
Informational works
1
Internet videos
1
Legislative materials
1
Longitudinal studies
1
Technical reports
1
Television interviews
1