Genre
Fiction
24,944
Sound recordings
16,752
Dictionaries
13,933
Periodicals
4,096
Statistics
3,691
Instructional television programs
2,609
Maps
1,687
Handbooks and manuals
1,590
Technical reports
1,518
Nonfiction television programs
1,047
Conference papers and proceedings
1,020
Treaties
883
Documentary television programs
536
Databases
442
Essays
342
Bibliographies
292
Directories
245
Case studies
215
Video recordings
207
Academic theses
200
Catalogs
173
Congresses
141
Census data
133
Biographies
126
Classification
92
Remote-sensing maps
90
Topographic maps
84
Examinations
76
Television interviews
74
Documentary films
72
Guidebooks
70
Instructional films
62
Trivia and miscellanea
56
Graphs
53
Interactive multimedia
51
Tables (Data)
51
Vital statistics
51
Remote-sensing images
50
Blank forms
46
Legislative hearings
45
Educational films
43
Bathymetric maps
42
Encyclopedias
42
Indexes
38
Software
36
Study guides
34
Atlases
29
Calendars
29
Registers (Lists)
29
Illustrated works
26
more ...