Genre
Maps
749
Periodicals
141
Statistics
113
Conference papers and proceedings
107
Bibliographies
91
Topographic maps
62
Congresses
55
Databases
48
Remote-sensing images
28
Electronic government information
25
Guidebooks
24
Surveys
20
Serial publications
17
Directories
15
Academic theses
14
Dictionaries
14
Indexes
13
Technical reports
13
Legislative hearings
12
Catalogs
8
Festschriften
6
Biographies
5
Legislative materials
5
Thematic maps
4
Atlases
3
Electronic government information United States
3
Fiction
3
Registers (Lists)
3
Autobiographies
2
Drawings
2
Geological maps
2
Handbooks and manuals
2
Illustrated works
2
Poetry
2
Abstracts
1
Annual reports
1
Calendars
1
Case studies
1
Classification
1
Electronic books
1
Encyclopedias
1
Environmental impact statements
1
Filmographies
1
Gazetteers
1
Geographic information systems
1
Graphs
1
Mine maps
1
Novels
1
Personal correspondence
1
Pictures
1
more ...