Genre
Libros electrónicos
174
Electronic books
101
Congresses
11
Periodicals
7
Electronic journals
6
Early works to 1800
3
Libros electronicos
2
Libros electr{acute}onicos
2
Biografía
1
Biography
1
Conference papers and proceedings
1
Conferencias
1
Congresos
1
Correspondence
1
Libros electrâonicos
1
Obras anteriores a 1800
1
Périodiques
1