Genre
Indexes
History
311
Bibliography
274
Periodicals
203
Biography
172
Bibliographies
123
Index
103
Imprints
82
Biographies
81
indexes (reference sources)
76
Sources
57
Catalogs
56
Criticism, interpretation, etc
24
Concordances
23
Dictionaries
22
Abstracts
19
Maps
14
Anecdotes
13
Local history
12
Newspapers
11
Bibliographie
10
Chronology
9
Gazetteers
9
Union lists
9
Directories
8
Chronologies
7
Databases
6
Fiction
6
Genealogy
6
Registers
6
Union catalogs
6
Konkordanz
5
suo yin
5
Diaries
4
Online databases
4
Périodiques
4
periodicals
4
Biografie
3
Catalogues
3
Congresses
3
Early works to 1800
3
Glossaries, vocabularies, etc
3
Registers (Lists)
3
Reviews
3
Tables of contents
3
Translations into English
3
bibliographies
3
Bibliografie
2
CD-ROMs
2
Cartes géographiques
2
more ...