Document Type
Still Image
4,789
Article in Journal/Newspaper
4,522
Text
3,339
Book
1,269
Report
1,020
Doctoral or Postdoctoral Thesis
652
Thesis
449
Other/Unknown Material
427
Journal/Newspaper
367
Book Part
364
Conference Object
224
Dataset
191
Map
168
Master Thesis
115
Audio
70
Other Non-Article Part of Journal/Newspaper
63
Bachelor Thesis
55
Review
26
Manuscript
19
Moving Image (Video)
11
Lecture
10
Musical Notation
1
Software
1