Genre
Aerial photographs
1
Aerial views
13
Atlases
178
Bathymetric maps
28
Bibliographies
40
Census data
5
Charts, diagrams, etc
30
Children's atlases
1
Chronologies
3
Classification
1
Comparative maps
1
Databases
3
Digital maps
1
Directories
1
Drawings
33
Early maps
4
Early works to 1800
3
Exhibition catalogs
1
Facsimiles
8
Geological cross-sections
7
Geological maps
62
Graphs
41
Guidebooks
8
Humor
1
Illustrated works
4
Index maps
30
Indexes
28
Literature
1
Maps
5,884
Military maps
1
Mine maps
2
Nomenclature
1
Outline maps
93
Photogrammetric maps
2
Photographs
1
Physical maps
81
Pictorial maps
5
Problems and exercises
1
Quadrangle maps
195
Raster data
1
Reference works
3
Remote-sensing images
57
Remote-sensing maps
129
Road maps
138
Sources
1
Statistics
9
Surveys
4
Thematic maps
114
Topographic map
1
Topographic maps
699
more ...