Genre
Congresses
71
Case studies
20
Problems, exercises, etc
16
Handbooks, manuals, etc
13
Periodicals
11
Textbooks
9
Study guides
5
congresses
4
Bibliography
3
Cross-cultural studies
3
Dictionaries
3
Juvenile literature
2
Life skills guides
2
Patterns
2
Amateurs' manuals
1
Atlases
1
Biography
1
Cases
1
Cases, clinical reports, statistics
1
Dictionary
1
Directories
1
Encyclopedias
1
Formulae
1
Laboratory manuals
1
Popular works
1
Statistics
1
directories
1