Genre
Conference papers and proceedings
15,390
Festschriften
741
Handbooks and manuals
647
Software
488
Academic theses
353
Biographies
303
Problems and exercises
205
Dictionaries
195
Encyclopedias
176
Laboratory manuals
170
Textbooks
165
Atlases
152
Electronic books
143
Study guides
115
Tables (Data)
99
Periodicals
94
Case studies
75
Indexes
45
Autobiographies
41
Maps
40
Illustrated works
38
Examinations
35
Pictures
30
Statistics
27
Bibliographies
24
Databases
24
Portraits
24
Congresses
23
Personal correspondence
21
Graphs
20
Constitutions
19
Trivia and miscellanea
19
Fiction
14
Guidebooks
14
Outlines and syllabi
14
Video games
13
Popular works
10
Programmed instructional materials
10
Reference works
10
Directories
9
Technical reports
9
Anecdotes
8
Personal narratives
8
Puzzles and games
8
Digital art
7
Essays
7
Medical statistics
7
Subject dictionaries
7
Abstracts
6
Catalogs
6
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