Document Type
Article in Journal/Newspaper
21,579
Text
9,226
Thesis
5,304
Journal/Newspaper
3,527
Still Image
3,004
Other/Unknown Material
2,302
Dataset
2,132
Report
1,235
Conference Object
1,123
Book
1,116
Master Thesis
567
Doctoral or Postdoctoral Thesis
473
Map
364
Book Part
320
Audio
115
Moving Image (Video)
64
Manuscript
62
Bachelor Thesis
55
Other Non-Article Part of Journal/Newspaper
33
Review
25
Lecture
22
Course Material
13
Software
4
Musical Notation
1