Genre
Electronic books
1,106
Handbooks, manuals, etc
28
Congresses
20
Case studies
19
Biography
11
Handbooks and manuals
8
Conference papers and proceedings
7
Interviews
5
Style manuals
4
Cross-cultural studies
3
Statistics
3
Textbooks
3
Anecdotes
2
Handbooks, manual, etc
2
Sources
2
Study guides
2
Academic theses
1
Diaries
1
Exhibitions
1
Genealogy
1
Handbookos and manuals
1
Handbooks
1
Juvenile literature
1
Libros electrónicos
1
Problems, exercises, etc
1
Reference works
1
Software
1
isual perception
1