Genre
Electronic books
855
Congresses
44
Textbooks
34
Handbooks, manuals, etc
25
Interviews
19
Laboratory manuals
18
Popular works
18
Problems, exercises, etc
18
Outlines, syllabi, etc
9
Dictionaries
8
Biography
6
Examinations, questions, etc
6
Periodicals
5
Encyclopedias
4
Juvenile literature
4
Periodical
4
Study guides
3
Terminology
3
Collections
2
Formulae, receipts, prescriptions
2
Programmed instruction
2
Style manuals
2
Tables
2
Atlases
1
Case studies
1
Charts, diagrams, etc
1
Databases
1
Electronic journals
1
Exhibitions
1
Humor
1
Identification
1
Laboratory Manual
1
Methods
1
Nomenclature
1
Observations
1
Pictorial works
1