Genre
Sources
History
964
Electronic books
156
Correspondence
132
Catalogs
75
Bibliography
73
Personal correspondence
67
Personal narratives
67
Registers
65
Biography
62
Records and correspondence
62
Archives
49
Early works to 1800
49
Biographies
47
Facsimiles
44
Bibliographies
38
Autobiographies
35
Genealogy
34
Registers (Lists)
34
Broadsides
30
Diaries
27
Periodicals
23
Early works
22
Portraits
22
Indexes
16
Maps
16
Letters
13
Manuscripts
13
Military history
12
Pictorial works
11
Quelle
11
Congresses
10
Engravings
10
Naval history
10
Personal narratives, British
10
Printed ephemera
10
Databases
8
British
7
Conference papers and proceedings
7
Directories
7
Legislative materials
7
Letters (correspondence)
7
Manuscripts, American
7
Order-books
7
Prints
7
Registres
7
Récits personnels
7
Trials, litigation, etc
7
Collections
6
Controversial literature
6
more ...