Genre
Periodicals
525
Legislative hearings
351
Treaties
307
Legislative materials
244
Conference papers and proceedings
175
Bibliographies
172
Technical reports
163
Handbooks and manuals
127
Statistics
115
Congresses
70
Directories
65
Statutes and codes
51
Catalogs
36
Serial publications
32
Video recordings
32
Case studies
26
Abstracts
24
Databases
21
Biographies
18
Documentary films
13
Nonfiction films
13
Pictures
13
Internet videos
11
Posters
10
Census data
7
Indexes
7
Interviews
7
Academic theses
6
Autobiographies
5
Video recordings for the hearing impaired
5
Dictionaries
4
Government publications
4
Interactive multimedia
4
Observations
4
Patents
4
Blank forms
3
Environmental impact statements
3
Aerial photographs
2
Annual reports
2
Catalogs and collections
2
Electronic government information
2
Feature films
2
Festschriften
2
Forms
2
Guidebooks
2
Illustrated works
2
Oral histories
2
Photographs
2
Registers (Lists)
2
Sound recordings
2
more ...