Genre
Electronic books
1,320
Congresses
319
Case studies
315
Biography
94
Cross-cultural studies
92
Handbooks, manuals, etc
86
History
68
Dictionaries
49
Statistics
38
Encyclopedias
31
Sources
25
Databases
18
Longitudinal studies
18
Biographies
15
Periodicals
12
Interviews
11
Problems, exercises, etc
10
Abstracts
9
Juvenile literature
9
Electronic reference sources
8
Textbooks
8
Directories
7
Electronic book
7
Études de cas
7
Forecasts
7
Anecdotes
6
Autobiographies
6
Indexes
6
Online databases
6
Study guides
6
Classification
5
Conference papers and proceedings
5
Handbooks and manuals
5
Commercial treaties
4
Congrès
4
Examinations, questions, etc
4
Full-text databases
4
Pictorial works
4
Archives
3
Aufsatzsammlung
3
Bibliography
3
Cases
3
Charts, diagrams, etc
3
Correspondence
3
Guides, manuels, etc
3
Handbook
3
Identification
3
Popular works
3
Records and correspondence
3
Academic theses
2
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