Genre
Libros electrónicos
181
Electronic books
38
Libros electronicos
6
Congresses
4
Exhibitions
4
Biographies
2
Biography
2
Congresos
2
Libros electr{acute}onicos
2
Periodicals
2
Case studies
1
Correspondence
1
Diaries
1
Early works to 1800
1
Electronic journals
1
Entrevistas
1
Estadística
1
Estudios de caso
1
Exposiciones
1
Formulae, receipts, prescriptions
1
Guidebooks
1
Interviews
1
Libros de texto
1
Pictorial works
1
Publicaciones seriadas
1
Social aspects
1
Textbooks
1