Genre
Congresses
1,611
Conference papers and proceedings
1,089
Electronic books
620
Periodicals
577
History
257
Biography
187
Tables
162
Dictionaries
128
Bibliography
115
Biographies
113
Electronic journals
76
Popular works
53
Festschriften
52
Périodiques
52
Tables (Data)
51
Bibliographies
39
Congrès
37
Indexes
37
Périodiques
37
Periodical
36
Congress
34
Handbooks, manuals, etc
34
Legislative histories
29
Computer network resources
27
Congrès
27
Technical reports
26
Handbooks and manuals
23
Abstracts
22
Treaties
22
Drama
21
Directories
20
Problems, exercises, etc
20
Academic theses
19
Juvenile literature
18
Textbooks
18
Constitution
15
Catalogs
14
Laboratory manuals
14
Interviews
13
Problems and exercises
13
periodicals
13
Conference proceedings
12
Documentary films
11
Internet videos
11
Archives
10
Juvenile works
10
Video recordings
10
Correspondence
9
Dictionary
8
Kongress
8
more ...