Genre
Statistics
12
Bibliographies
6
Periodicals
6
Catalogs
5
Conference papers and proceedings
5
Legislative hearings
5
Congresses
4
Handbooks and manuals
3
Directories
2
Legislative materials
2
Pictures
2
Posters
2
Case studies
1
Charts, diagrams, etc
1
Graphs
1
Informational works
1
Serial publications
1
Statutes and codes
1