Tipo
Biografía
1
Biographies
2
Biography
5
Case studies
1
Catalogs
1
Computer network resources
1
Congresos
1
Congresses
2
Diaries
1
Early works to 1800
1
Electronic books
44
Electronic journals
7
Exhibitions
1
Exposiciones
1
Formulae, receipts, prescriptions
1
Historia
1
Internet resources
2
Libros electronicos
1
Libros electrónicos
106
Libros electr{acute}onicos
2
Periodicals
7
Périodiques
1
Pictorial works
3
Revistas electrónicas
1