Genre
Maps
169
Conference papers and proceedings
86
Periodicals
83
Bibliographies
59
Technical reports
39
Serial publications
30
Handbooks and manuals
29
Congresses
27
Statistics
25
Databases
16
Indexes
16
Pictures
12
Posters
11
Directories
7
Dictionaries
6
Geographic information systems
6
Academic theses
5
Observations
4
Bathymetric maps
3
Educational films
3
Festschriften
3
Legislative materials
3
Literature
3
Tables (Data)
3
Thematic maps
3
Video recordings
3
Activity books
2
Diaries
2
Films for the hearing impaired
2
Internet videos
2
Registers (Lists)
2
Remote-sensing maps
2
Video recordings for the hearing impaired
2
Abstracts
1
Catalogs
1
Data sets
1
Documentary films
1
Environmental films
1
Feature films
1
Gazetteers
1
Graphs
1
Guidebooks
1
Identification
1
Legislative hearings
1
Nonfiction films
1
Outlines and syllabi
1
Picture books
1
Software
1
Textbooks
1