Genre
Bibliography
21
Case studies
17
Electronic books
10
Congresses
8
Handbooks, manuals, etc
6
Directories
5
Problems, exercises, etc
3
Databases
2
Biography
1
CD-ROMs
1
Conference papers and proceedings
1
Electronic handbooks, vade-mecums, etc
1
Études de cas
1
Genealogy
1
Humor
1
Juvenile literature
1
Newspapers
1
Reviews
1
Statistics
1