Genre
Statistics
81
Periodicals
60
Sources
12
Case studies
8
Electronic books
7
Congresses
5
Yearbooks
4
Bibliography
2
Textbooks
2
Abstracts
1
Biography
1
Cases
1
Comparative studies
1
Conversion tables
1
Cross-cultural studies
1
Handbooks, manuals, etc
1
Indexes
1
Registers
1
Rules and practice
1
Tables
1
Terms and phrases
1
Treaties
1