Genre
Electronic books
8,684
Statistics
6,510
Databases
4,737
Periodicals
1,565
Congresses
1,369
Conference papers and proceedings
944
Case studies
220
Electronic journals
140
Cross-cultural studies
136
Computer network resources
131
Handbooks, manuals, etc
114
Directories
71
Périodiques
66
Kongress
65
Handbooks and manuals
60
Serial publications
55
Treaties
54
Actes de congrès
51
Dictionaries
51
Statistiques
51
Congress
46
Bibliography
45
Périodiques
40
Statistik
22
Conference papers and proceedings
18
Bibliographies
17
History
16
Terminology
16
Congresos
14
Bericht
12
CD-ROMs
12
Aufsatzsammlung
11
Maps
10
Zeitschrift
10
Indexes
9
periodicals
9
Internet resource
8
OECD pub
8
Outlines, syllabi, etc
8
pub OCDE
8
Catalogs
7
Congrès
7
Designs and plans
7
Directory
7
Facsimiles
7
Patents
7
Book
6
Classification
6
Conference proceedings
6
Congrès
6
more ...