Genre
Statistics
3,858
Conference papers and proceedings
2,389
Periodicals
2,104
Handbooks and manuals
1,529
Case studies
1,211
Biographies
810
Congresses
453
Academic theses
384
Video recordings
325
Dictionaries
299
Directories
277
Vital statistics
273
Electronic government information
228
Bibliographies
217
Autobiographies
212
Encyclopedias
205
Serial publications
197
Databases
183
Census data
181
Maps
158
Festschriften
150
Trivia and miscellanea
123
Literature
117
Cross-cultural studies
113
Catalogs
107
Documentary films
101
Technical reports
99
Interviews
97
Examinations
69
Posters
69
Nonfiction films
68
Pictures
67
Video recordings for the hearing impaired
66
Problems and exercises
58
Study guides
58
Internet videos
55
Illustrated works
52
Sources
51
Reference works
47
Fiction
45
Blank forms
43
Tables (Data)
40
Software
39
Feature films
38
Classification
36
Educational films
34
Utopian fiction
34
Personal correspondence
30
True crime stories
29
Instructional and educational works
28
more ...