Genre
Bibliographies
98
Periodicals
64
Catalogs
56
Handbooks and manuals
15
Indexes
14
Statistics
13
Maps
11
Databases
10
Topographic maps
8
Census data
4
Annual reports
2
Conference papers and proceedings
2
Electronic government information
2
Legislative hearings
2
Serial publications
2
Statutes and codes
2
Union catalogs
2
Use studies
2
Abstracts
1
Bibliography of bibliographies
1
Case studies
1
Chronologies
1
Dictionaries
1
Directories
1
Geological maps
1
Legislative materials
1
Microform catalogs
1
Personal correspondence
1
Promotional materials
1
Records (Documents)
1
Sources
1
Tables (Data)
1
Video recordings
1