Genre
Conference papers and proceedings
290
Software
25
Video recordings
16
Handbooks and manuals
12
Internet videos
12
Digital art
9
Technical reports
9
Periodicals
7
Dictionaries
5
Congresses
3
Maps
3
Case studies
2
Directories
2
Pictures
2
Video games
2
Academic theses
1
Art
1
Biographies
1
CD-ROMs
1
Educational films
1
Geographic information systems
1
Graphs
1
Instructional and educational works
1
Posters
1
Problems and exercises
1
Programmed instructional materials
1
Study guides
1