Genre
Sources
History
8,467
Biography
573
Archives
339
Electronic books
338
Early works to 1800
334
Biographies
327
Correspondence
274
Statistics
230
Early works
223
Catalogs
222
Records and correspondence
212
Personal correspondence
142
Bibliography
133
Periodicals
129
Interviews
105
Congresses
103
Facsimiles
102
Diaries
99
Census data
98
Registers
88
Broadsides
87
Genealogy
77
Quelle
74
Personal narratives
73
Bibliographies
68
Conference papers and proceedings
68
Exhibitions
62
Databases
61
Pictorial works
60
Autobiographies
54
Registers (Lists)
54
Lists
49
Electronic reference sources
45
Directories
44
Exhibition catalogs
44
Trials, litigation, etc
41
Census
37
Indexes
35
Case studies
32
Criticism, interpretation, etc
30
Dictionaries
30
CD-ROMs
28
Pamphlets
28
Chronology
24
Church history
23
Chronologies
22
Correspondance
22
Local history
21
Records (Documents)
20
more ...