Genre
Bibliography
5,635
Bibliographies
2,415
Dictionaries
448
Bio-bibliography
416
Popular works
415
Catalogs
358
Legislative materials
346
History
342
Biography
271
Periodicals
270
Criticism, interpretation, etc
187
bibliographies
142
Biographies
127
Computer network resources
95
Sources
92
Imprints
85
Bibliographie
83
Early works to 1800
79
Directories
74
Indexes
66
Discography
60
Abstracts
41
Bibliography of bibliographies
41
dictionaries
40
Union lists
38
Encyclopedias
37
Handbooks, manuals, etc
31
bibliography
31
Congresses
30
Book lists
29
Chronology
29
Festschriften
26
bibliographie
25
Conference papers and proceedings
24
Juvenile literature
23
Reviews
23
Stories, plots, etc
22
e-books
22
Exhibitions
21
Graded lists
21
Union catalogs
21
bibliografía
19
Reference works
16
Book reviews
15
Classification
15
Records and correspondence
14
Databases
13
Handbooks and manuals
12
Maps
12
Personal narratives
12
more ...