Genre
Internet videos
454
Video recordings
454
Dictionaries
25
Periodicals
20
Maps
11
Textbooks
10
Encyclopedias
9
Gazetteers
5
Bibliographies
4
Conference papers and proceedings
4
Databases
3
Educational films
3
Picture books
3
Software
3
Statistics
3
Trivia and miscellanea
3
Atlases
2
Biographies
2
Early works to 1800
2
Literature
2
Bibliography of bibliographies
1
Collections
1
Commentaries
1
Congresses
1
Digital art
1
Early maps
1
Electronic government information
1
Fiction
1
Geographic information systems
1
Handbooks and manuals
1
Illustrated works
1
Instructional television programs
1
Juvenile works
1
Nonfiction television programs
1
Outlines and syllabi
1
Reference works
1
Remote-sensing images
1
Serial publications
1
Tables (Data)
1