Genre
Sources
Bibliography
557
Catalogs
475
Bibliographies
362
History
329
Bibliographie
103
Catalogues
87
Indexes
74
bibliographies
48
Electronic books
42
catalogs (documents)
39
Index
37
Facsimiles
35
Archives
32
Biographies
31
Imprints
29
indexes (reference sources)
27
Early works to 1800
26
Correspondence
24
Biography
23
Government publications
23
Union lists
23
Microform catalogs
20
Periodicals
19
Manuscripts
18
Electronic reference sources
16
Personal correspondence
16
Union catalogs
16
Congresses
14
Catalog
13
Early works
13
Exhibitions
12
Conference papers and proceedings
11
Directories
10
Exhibition catalogs
10
Genealogy
10
Handbooks, manuals, etc
9
Records and correspondence
9
Bio-bibliography
8
Catalogues collectifs
8
Quelle
8
Abstracts
7
Broadsides
7
Correspondance
7
Ouvrages avant 1800
7
Reference sources
7
Handbooks and manuals
6
Répertoires
6
Collections
5
Databases
5
more ...