Genre
Electronic books
Congresses
280
Case studies
145
Biography
115
Sources
46
Cross-cultural studies
38
Early works to 1800
36
Maps
32
Periodicals
31
Guidebooks
27
Fiction
24
Statistics
17
Dictionaries
15
Handbooks, manuals, etc
14
Cases
12
Congresos
12
Bibliography
10
Diaries
10
Identification
10
Classification
9
Correspondence
9
Publicaciones periodicas
9
Pictorial works
8
Encyclopedias
7
Interviews
7
Exhibitions
6
Catalogs
5
Personal narratives, American
5
Commercial treaties
4
Electronic book
4
Art
3
Computer network resources
3
Directories
3
Personal narratives
3
Popular works
3
Atlases
2
Chronology
2
Digests
2
Europe
2
Juvenile literature
2
Poetry
2
Statistics, Medical
2
Treaties
2
Art and the war
1
Bio-bibliography
1
Children's stories
1
Conferencias
1
Designs and plans
1
Drama
1
East Asia
1
more ...