Genre
Treaties
1,959
Periodicals
919
Conference papers and proceedings
474
Handbooks and manuals
226
Sound recordings
152
Congresses
148
Statistics
129
Biographies
95
Bibliographies
66
Technical reports
63
Catalogs
50
Illustrated works
48
Dictionaries
46
Serial publications
40
Encyclopedias
39
Autobiographies
38
Literature
37
Exhibition catalogs
35
Atlases
34
Case studies
33
Directories
32
Classification
29
Musicals
26
Maps
24
Excerpts
22
Jazz
22
Video recordings
21
Databases
17
Operas
17
Anecdotes
16
Popular music
16
Sources
13
Drama
12
Festschriften
12
Picture books
12
Songs
12
Documentary films
11
Nonfiction films
11
Concertos
10
Identification
10
Textbooks
10
Academic theses
9
Environmental impact statements
9
Fiction
9
Guidebooks
9
Yearbooks
9
Music
8
Registers (Lists)
8
Feature films
7
Laboratory manuals
7
more ...