Genre
Maps
331
Topographic maps
90
Periodicals
58
Handbooks and manuals
44
Quadrangle maps
41
Pictures
29
Posters
26
Guidebooks
22
Conference papers and proceedings
14
Congresses
11
Statistics
9
Thematic maps
8
Tourist maps
8
Tours
8
Directories
7
Identification
7
Dictionaries
6
Literature
6
Speeches
6
Technical reports
6
Atlases
5
Environmental impact statements
5
Video recordings
5
Classification
4
Road maps
3
Academic theses
2
Charts, diagrams, etc
2
Databases
2
Graphs
2
Observers' manuals
2
Serial publications
2
Architectural drawings
1
Bibliographies
1
Blank forms
1
Calendars
1
Catalogs
1
Designs and plans
1
Documentary films
1
Feature films
1
Festschriften
1
Forms
1
Illustrated works
1
Interviews
1
Laboratory manuals
1
Nonfiction films
1
Registers (Lists)
1
Telephone directories
1
Video recordings for the hearing impaired
1