Genre
Periodicals
50
Electronic books
36
Cases
18
Treaties
15
Biography
11
Handbooks, manuals, etc
10
Congresses
9
Sources
8
Textbooks
6
Directories
5
Registers
5
Digests
4
Statistics
3
Bibliography
2
Yearbooks
2
Case studies
1
Examinations, questions, etc
1
Indexes
1
Miscellanea
1
Online resources
1
Outlines, syllabi, etc
1
Quelle
1
Terminology
1