流派
Electronic books
99
Libros electrónicos
81
Congresses
17
Periodicals
7
Conference papers and proceedings
5
Electronic journals
5
Biography
4
Early works to 1800
3
Anuarios
1
Congresos
1
Diccionarios
1
Dictionaries
1
Formulae, receipts, prescriptions
1
Fuentes
1
Libros electronicos
1
Maps
1
Périodiques
1
Publicaciones periódicas
1
Sources
1