Genre
Electronic books
235
Case studies
10
Handbooks, manuals, etc
4
Congresses
3
Handbooks and manuals
2
Problems, exercises, etc
2
Biographies
1
Biography
1
Conference papers and proceedings
1
Detective and mystery fiction
1
Fiction
1
Guidebooks
1
Popular works
1
Psychological fiction
1
Statistics
1
Terminology
1