Genre
Periodicals
Statistics
113
Serial publications
48
Annual reports
22
Bibliographies
13
Newsletters
8
Catalogs
7
Abstracts
5
Biographies
3
Census data
3
Conference papers and proceedings
3
Dictionaries
3
Trivia and miscellanea
3
Databases
2
Technical reports
2
Congresses
1
Directories
1
Indexes
1
Newspapers
1
Reference works
1
Reviews
1