Genre
Maps
13
Pictures
9
Guidebooks
6
Periodicals
6
Posters
5
Conference papers and proceedings
4
Congresses
4
Handbooks and manuals
4
Directories
2
Activity books
1
Architectural drawings
1
Bibliographies
1
Designs and plans
1
Digital maps
1
Environmental impact statements
1
Illustrated works
1
Literature
1
Prospectuses
1
Remote-sensing maps
1
Serial publications
1