Genre
Maps
122
Statistics
19
Topographic maps
16
Guidebooks
8
Tourist maps
8
Bibliographies
5
Periodicals
5
Handbooks and manuals
4
Road maps
4
Conference papers and proceedings
3
Congresses
3
Technical reports
3
Atlases
2
Thematic maps
2
Academic theses
1
Biographies
1
Case studies
1
Catalogs
1
Gazetteers
1
Graphs
1
Identification
1
Observers' manuals
1
Remote-sensing maps
1
Serial publications
1