流派
Electronic books
1,286
Periodicals
178
Case studies
142
Libros electronicos
131
Congresses
78
Electronic journals
55
Publicaciones periodicas
31
Biography
27
Documentary films
27
Electronic book
27
Documentary television programs
24
Designs and plans
20
Early works to 1800
20
Maps
13
Exhibitions
12
Cross-cultural studies
11
Handbooks, manuals, etc
11
History
10
Pictorial works
10
Nonfiction films
9
Television news programs
9
Educational films
8
DVD-Video discs
7
Juvenile literature
6
Guidebooks
5
Statistics
5
Biographies
4
Dictionaries
4
Interviews
4
Panel discussions
4
Archives
3
Bibliography
3
Encyclopedias
3
Sources
3
Broadsides
2
Congresos
2
Documentary
2
Feature films
2
Instructional films
2
Non-fiction television programs
2
Notebooks, sketchbooks, etc
2
Proclamations
2
Records and correspondence
2
Short films
2
Textbooks
2
Advertisements
1
Atlases
1
Bills
1
Cases
1
Catalogs
1
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