Genre
Maps
47
Statistics
13
Handbooks and manuals
11
Technical reports
7
Electronic government information
6
Conference papers and proceedings
4
Databases
4
Periodicals
4
Bibliographies
3
Congresses
3
Dictionaries
2
Documentary films
2
Government publications
2
Nonfiction films
2
Case studies
1
Environmental films
1
Feature films
1
Interviews
1
Surveys
1
Video recordings
1
Video recordings for the hearing impaired
1