Document Type
Still Image
6,295
Journal/Newspaper
2,819
Dataset
2,714
Article in Journal/Newspaper
2,700
Text
2,318
Other/Unknown Material
759
Thesis
736
Map
551
Book
472
Report
325
Conference Object
157
Book Part
83
Manuscript
64
Moving Image (Video)
43
Doctoral or Postdoctoral Thesis
37
Master Thesis
24
Audio
15
Other Non-Article Part of Journal/Newspaper
14
Review
12
Bachelor Thesis
5
Software
2