Document Type
Still Image
5,911
Journal/Newspaper
2,719
Dataset
1,731
Article in Journal/Newspaper
1,084
Text
777
Other/Unknown Material
349
Thesis
275
Report
194
Book
147
Map
59
Manuscript
55
Conference Object
39
Book Part
17
Doctoral or Postdoctoral Thesis
11
Master Thesis
10
Moving Image (Video)
9
Other Non-Article Part of Journal/Newspaper
7
Audio
5
Review
4
Bachelor Thesis
1
Software
1