Format
eBook
114,520
Book
49,483
Electronic
39,035
Journal
24,000
Serial
9,845
Article
7,553
Thesis
3,000
Conference Proceeding
1,790
Video
1,763
Newspaper
1,748
Globe
603
Software
480
Book Chapter
200
Unknown
191
Audio
179
Government Document
168
Photo
130
Reference Material
130
Musical Score
55
VHS
36
Manuscript
5
Kit
4
Database
3
CD
1
DVD
1
Map
1
Slide
1