Genre
Periodicals
4,411
Périodiques
685
Periodical
605
Congresses
429
Electronic journals
412
Directories
266
Statistics
266
periodicals
202
Bibliography
181
Conference papers and proceedings
158
Abstracts
154
Catalogs
107
Indexes
98
Maps
84
Tables
84
Collections
82
Observations
72
Bibliographies
69
Zeitschrift
66
Fulltext
63
Internet Resources
63
Juvenile literature
63
Electronic books
57
Geological maps
53
Biography
50
Classification
47
Directory
47
Internet resource
45
Périodiques
45
Handbooks, manuals, etc
42
Guidebooks
36
Serial publications
33
Congress
30
Dictionaries
30
Early works to 1800
30
Monografische Reihe
30
Handbooks and manuals
29
Congrès
25
Databases
25
Pictorial works
25
Yearbooks
24
Publications en série
22
serials (publications)
22
Répertoires
21
Laboratory manuals
20
Problems, exercises, etc
20
Identification
19
Biographies
18
Statistiques
18
Tables (Data)
18
more ...