Genre
Maps
487
Guidebooks
92
Topographic maps
34
Digital maps
24
Road maps
15
Biographies
10
Drawings
10
Atlases
8
Geological maps
8
Statistics
8
Graphs
7
Directories
6
Periodicals
6
Outline maps
5
Technical reports
5
Thematic maps
5
Tourist maps
5
Charts, diagrams, etc
4
Conference papers and proceedings
4
Illustrated works
4
Bibliographies
3
Bathymetric maps
2
Geological cross-sections
2
Handbooks and manuals
2
Index maps
2
Quadrangle maps
2
Remote-sensing images
2
Academic theses
1
Autobiographies
1
Case studies
1
Chronologies
1
Environmental impact statements
1
Facsimiles
1
Fiction
1
Outlines and syllabi
1
Physical maps
1
Pictorial maps
1
Remote-sensing maps
1
Serial publications
1
Trivia and miscellanea
1