Genre
Maps
174
Conference papers and proceedings
15
Congresses
8
Statistics
4
Atlases
3
Bathymetric maps
3
Databases
3
Guidebooks
3
Periodicals
3
Bibliographies
2
CMU author
2
Electronic government information
2
Graphs
2
Remote-sensing maps
2
Academic theses
1
Classification
1
Dictionaries
1
Encyclopedia
1
Encyclopedias
1
Geological maps
1
Serial publications
1