Genre
Conference papers and proceedings
140
Guidebooks
43
Handbooks and manuals
27
Encyclopedias
19
Periodicals
15
Case studies
11
Maps
11
Statistics
10
Geographic information systems
9
Biographies
7
Electronic books
6
Festschriften
6
Autobiographies
5
Video games
5
Atlases
4
Bibliographies
4
Databases
4
Electronic journals
4
Electronic government information
3
Technical reports
3
Catalogs
2
Congresses
2
Diaries
2
Dictionaries
2
Examinations
2
Graphs
2
Illustrated works
2
Pictures
2
Posters
2
Reference works
2
Academic theses
1
Census data
1
Cross-cultural studies
1
Directories
1
Geological maps
1
Geospatial data
1
Government publications
1
Interviews
1
Laboratory manuals
1
Legislative bills
1
Literature
1
Software
1
Statutes and codes
1
Textbooks
1
Thematic maps
1
Topographic maps
1