Genre
Sources
6,329
Periodicals
689
Biography
374
Early works to 1800
311
Handbooks, manuals, etc
223
Incunabula
207
Newspapers
186
Bibliography
112
Congresses
93
Controversial literature
78
Catalogs
56
Popular works
56
Statistics
54
Electronic books
44
Pamphlets
37
Case studies
36
Translations into German
35
Academic theses
32
Fiction
31
Tables
31
Microform catalogs
30
Correspondence
28
Romances
28
Exhibitions
27
Pictorial works
27
Commentaries
21
Thèses et écrits académiques
21
Archives
19
Indexes
19
Textbooks
19
Directories
17
Bio-bibliography
16
Classification
16
Statistics, Vital
16
Dictionaries
15
Legends
15
Reviews
15
Apologetic works
14
Poetry
14
Drama
13
Portraits
11
Texts
11
Catalogs and collections
10
Genealogy
10
History
10
Maps
10
Academic Dissertation
9
Terminology
9
Art
6
Cases
6
more ...