Genre
Statistics
290
Handbooks and manuals
229
Periodicals
79
Conference papers and proceedings
30
Catalogs
26
Congresses
25
Bibliographies
23
Biographies
23
Longitudinal studies
20
Directories
19
Literature
12
Census data
9
Technical reports
9
Trivia and miscellanea
9
Case studies
8
Databases
8
Serial publications
8
Guidebooks
6
Posters
6
Tables (Data)
6
Dictionaries
4
Pictures
4
Academic theses
3
Blank forms
3
Forms
3
Maps
3
Reference works
3
Autobiographies
2
Code numbers
2
Exhibition catalogs
2
Gazetteers
2
Graphs
2
Illustrated works
2
Laboratory manuals
2
Registers (Lists)
2
Sources
2
Video recordings
2
Abstracts
1
Archives
1
Art
1
Atlases
1
CD-ROMs
1
Campaign literature
1
Census
1
Coloring books
1
Electronic government information
1
Electronic journals
1
Filmographies
1
Forecasts
1
Identification
1
more ...