Genre
Libros electrónicos
680
Electronic books
217
Periodicals
153
Publicaciones periódicas
98
Publicaciones seriadas
33
Congresses
22
Libros electronicos
14
Biography
12
Congresos
12
Biographies
4
Interviews
4
Case studies
2
Conference papers and proceedings
2
Cross-cultural studies
2
Electronic journals
2
Statistics
2
Autobiographies
1
Comic books, strips, etc
1
Congresos y asambleas
1
Congress
1
Correspondence
1
Early works to 1800
1
Entrevistas
1
Estadísticas
1
Exámenes, tests, etc
1
Juvenile literature
1
Libros electr{acute}onicos
1
Miscellanea
1
Obras anteriores a 1800
1
Personal correspondence
1
Sources
1
Tesis y disertaciones académicas
1