Genre
Maps
410
Remote-sensing maps
265
Remote-sensing images
111
Topographic maps
83
Conference papers and proceedings
75
Video recordings
70
Pictures
67
Posters
66
Internet videos
62
Congresses
29
Photographs
24
Geological maps
22
Science fiction
16
Fiction
15
Legislative hearings
13
Literature
13
Illustrated works
12
Picture books
11
Video recordings for the hearing impaired
11
Photographs from space
10
Treaties
9
Drama
8
Novels
8
Feature films
7
Popular works
7
Science fiction films
7
Academic theses
6
Handbooks and manuals
6
Atlases
5
Documentary television programs
5
Nonfiction television programs
5
Quadrangle maps
5
Science television programs
5
Educational films
4
Educational television programs
4
Fiction films
4
Observations
4
Periodicals
4
Aerial photographs
3
Biographies
3
Comics (Graphic works)
3
Databases
3
Digital maps
3
Festschriften
3
Graphic novels
3
Physical maps
3
Science fiction comics
3
Sound recordings
3
Specimens
3
Technical reports
3
more ...