Genre
Conference papers and proceedings
186
Video recordings
161
Internet videos
159
Problems and exercises
76
Periodicals
34
Festschriften
30
Dictionaries
24
Popular works
21
Tables (Data)
18
Trivia and miscellanea
17
Examinations
16
Software
15
Handbooks and manuals
14
Textbooks
14
Puzzles and games
12
Biographies
11
Study guides
11
Bibliographies
9
Academic theses
8
Fiction
6
Statistics
6
Encyclopedias
4
Literature
4
Serial publications
4
Autobiographies
3
Congresses
3
Early works to 1800
3
Humor
3
Legislative hearings
3
Personal correspondence
3
Subject dictionaries
3
Anecdotes
2
Formulae
2
Graphs
2
Instructional and educational works
2
Programmed instructional materials
2
Abstracts
1
Allegories
1
Alphabet books
1
Bio-bibliography
1
Board books
1
Case studies
1
Charts, diagrams, etc
1
Comics (Graphic works)
1
Constitution
1
Digital art
1
Documentary films
1
Documentary television programs
1
Drama
1
Drawings
1
more ...