Genre
Maps
72
Bathymetric maps
34
Remote-sensing images
10
Conference papers and proceedings
8
Photographs
8
Remote-sensing maps
8
Databases
5
Pictures
3
Bibliographies
2
Congresses
2
Documentary television programs
2
Educational television programs
2
Geological maps
2
Motion pictures
2
Nonfiction television programs
2
Popular works
2
Science television programs
2
Technical reports
2
Video recordings for the hearing impaired
2
World maps
2
Academic theses
1
Aerial views
1
Atlases
1
Biographies
1
Case studies
1
Graphs
1
Illustrated works
1
Interactive multimedia
1
Legislative hearings
1
Observations
1
Posters
1
Slides
1
Software
1
Video recordings
1