Genre
Periodicals
10,218
Libros electrónicos
9,368
Electronic journals
9,039
Périodiques
1,598
Publicaciones periódicas
1,425
Electronic books
980
Publicaciones seriadas
812
Revistas electrónicas
301
Congresses
111
Newspapers
98
Artículos electrónicos
95
Publicaciones periâodicas
73
Libros electronicos
67
Science fiction
51
Internet videos
46
Short films
46
Statistics
39
Yearbooks
33
Anuarios
32
Fiction
30
Early works to 1800
27
Handbooks, manuals, etc
26
Bibliography
24
Biography
23
Pâeriodiques
23
Libros electr{acute}onicos
22
Périodique électronique (Descripteur de forme)
21
Ressource Internet (Descripteur de forme)
21
periodicals
19
Case studies
18
Zeitschrift
16
Bibliographie
14
Book reviews
14
Congresos
13
Periodical
13
Popular works
13
czasopisma
13
Abstracts
12
Dictionaries
12
Internet resources
11
Statistiques
11
Biografía
9
Conference papers and proceedings
9
Classification
8
Libros de texto, manuales, etc
8
Problems, exercises, etc
8
Reviews
8
Short stories
8
Textbooks
7
Estudios de caso
6
more ...