Genre
Electronic books
202
Textbooks
15
Congresses
11
Popular works
11
Dictionaries
8
Handbooks, manuals, etc
8
Laboratory manuals
7
Problems, exercises, etc
7
Biography
5
Outlines, syllabi, etc
5
Encyclopedias
4
Examinations, questions, etc
4
Juvenile literature
3
Periodicals
2
Study guides
2
Style manuals
2
Tables
2
Databases
1
Electronic journals
1
Humor
1
Interviews
1
Nomenclature
1
Pictorial works
1