Género
Sources
Libros electrónicos
89
Fuentes
41
Electronic books
38
Biography
4
Libros electronicos
4
Congresses
3
Biografía
2
Congresos
2
Correspondence
2
Bibliography
1
Correspondencia
1
Early works to 1800
1
Handbooks, manuals, etc
1
Historia
1
History
1
Libros electr©đnicos
1
Literary collections
1
Statistics
1
Texts
1