Genre
Sources
History
545
Catalogs
136
Archives
118
Bibliography
111
Electronic books
105
Charters, grants, privileges
39
Indexes
33
Bibliographies
32
Genealogy
28
Charters and articles of incorporation
18
Periodicals
17
Biography
15
Correspondence
12
Lists
10
Registers
9
Glossaries, vocabularies, etc
8
Church history
7
Records and correspondence
7
Biographies
6
Charters
6
CD-ROMs
5
Catalogues
5
Electronic reference sources
5
Controlled vocabularies
4
Databases
4
Family histories
4
Registers (Lists)
4
Treaties
4
Facsimiles
3
Handbooks, manuals, etc
3
Military history
3
Naval history
3
Personal correspondence
3
Dictionaries
2
Directories
2
Index
2
Maps
2
Microform catalogs
2
Archival resources
1
Bases de données
1
Bildband
1
Cases
1
Catalog
1
Chartes et statuts constitutifs
1
Congress
1
Designs and plans
1
Directory
1
Electronic book
1
Electronic books.Electronic books
1
more ...