Document Type
Article in Journal/Newspaper
834,538
Dataset
553,498
Text
284,789
Still Image
141,604
Journal/Newspaper
115,232
Other/Unknown Material
102,177
Manuscript
78,997
Conference Object
70,850
Report
53,276
Thesis
51,310
Book Part
44,143
Book
32,325
Doctoral or Postdoctoral Thesis
23,056
Master Thesis
20,663
Bachelor Thesis
13,591
Map
10,421
Audio
7,404
Other Non-Article Part of Journal/Newspaper
6,226
Moving Image (Video)
2,952
Software
2,743
Review
1,172
Lecture
524
Course Material
253
Musical Notation
69
Patent
48