Format
eBook
244,901
Book
146,204
Electronic
140,148
Video
5,529
Conference Proceeding
4,472
Unknown
4,046
Government Document
2,111
Thesis
1,336
Map
1,108
Serial
854
Journal
585
DVD
516
Audio
270
CD
253
Musical Score
135
Kit
92
Database
74
Reference Material
66
Manuscript
51
Sensor Image
15
Software
12
Cassette
8
VHS
7
Microfilm
6
Blu-ray Disc
5
Book Chapter
5
Newspaper
5
Photo
5
Slide
3
Braille
1