Genre
Statistics
2,332
Handbooks and manuals
1,622
Periodicals
1,392
Bibliographies
416
Conference papers and proceedings
398
Directories
274
Legislative hearings
263
Congresses
236
Catalogs
226
Census data
206
Maps
122
Serial publications
112
Technical reports
95
Databases
91
Biographies
90
Case studies
79
Problems and exercises
74
Blank forms
72
Literature
69
Pictures
69
Posters
69
Vital statistics
66
Classification
52
Longitudinal studies
48
Forms
46
Reference works
38
Treaties
38
Dictionaries
37
Exhibition catalogs
35
Sources
35
Statistics, Medical
34
Census, 1990
33
Abstracts
31
Illustrated works
31
Trivia and miscellanea
31
Tables (Data)
30
Video recordings
25
Indexes
24
Job descriptions
23
Graphs
20
Census, 1980
19
Guidebooks
18
Registers (Lists)
18
Surveys
18
Personal correspondence
15
Records (Documents)
14
Academic theses
13
Chronologies
13
Atlases
12
Coloring books
11
more ...