Genre
Electronic books
341
Congresses
26
Handbooks, manuals, etc
11
Case studies
10
Bibliography
8
Encyclopedias
7
Biography
4
Longitudinal studies
3
Textbooks
3
Periodicals
2
Sources
2
Statistics
2
Use studies
2
Anecdotes
1
Cross-cultural studies
1
Drama
1
Government publications
1
Miscellanea
1
Problems, exercises, etc
1
Reference works
1
Style manuals
1