Genre
Conference papers and proceedings
215
Internet videos
95
Video recordings
95
Handbooks and manuals
26
Educational films
15
Problems and exercises
8
Biographies
7
Periodicals
5
Dictionaries
3
Examinations
3
Festschriften
3
Study guides
3
Serial publications
2
Software
2
Academic theses
1
Architectural drawings
1
Congresses
1
Instructional and educational works
1
Pictures
1
Posters
1
Technical reports
1