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Libros electrónicos
992
Electronic books
162
Libros electr{acute}onicos
98
Periodicals
52
Libros electronicos
31
Publicaciones Periódicas
26
Congresses
21
Poetry
15
Biography
14
Electronic journals
13
Biografía
9
Fiction
9
Publicaciones Peri{acute}odicas
8
Handbooks, manuals, etc
7
Congresos
6
Problems, exercises, etc
5
Sources
5
Exhibitions
4
Problemas, ejercicios, etc
4
Translations into Spanish
4
Case studies
3
Conference papers and proceedings
3
Estudios de caso
3
Bibliography
2
Exposiciones
2
Libros de texto, manuales, etc
2
Anecdotes
1
Biografías
1
Biographies
1
Case Studies
1
Catalogs
1
Congresos, conferencias, etc
1
Correspondence
1
Directories
1
Drama
1
Early works to 1800
1
Ficción
1
Fuentes
1
Guías de texto
1
Interviews
1
Libros de texto para extranjeros
1
Libros electrâonicos
1
Libros para niños
1
Manuales, etc
1
Obras ilustradas
1
Partituras
1
Périodiques
1
Pictorial works
1
Science fiction
1
Scores
1
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