Genre
Technical reports
129
Legislative hearings
38
Periodicals
33
Handbooks and manuals
31
Bibliographies
16
Statistics
11
Conference papers and proceedings
10
Case studies
7
Directories
6
Legislative materials
6
Congresses
4
Electronic government information
3
Catalogs
2
Tables (Data)
2
Academic theses
1
Environmental impact statements
1
Literature
1
Personal correspondence
1
Programmed instructional materials
1
Records (Documents)
1
Records and correspondence
1