Genre
Maps
582
Databases
13
Statistics
11
Bibliographies
7
Conference papers and proceedings
7
Observations
4
Festschriften
3
Surveys
3
Academic theses
2
Congresses
2
Encyclopedias
2
Periodicals
2
Atlases
1
Dictionaries
1
Directories
1
Geological maps
1
Globes
1
Graphs
1
Indexes
1
Remote-sensing maps
1
Software
1
Tables (Data)
1
Technical reports
1
Topographic maps
1