Format
eBook
1,238,545
Book
611,463
Government Document
188,011
Electronic
140,208
Video
99,349
Musical Score
69,604
Audio
57,591
Microfilm
22,638
Thesis
22,540
Conference Proceeding
18,794
Journal
8,250
CD
8,048
DVD
4,690
Serial
3,653
Software
2,521
Map
2,019
Manuscript
668
Newspaper
532
Photo
465
Kit
442
Physical Object
302
VHS
59
Database
50
Cassette
44
Blu-ray Disc
12
Book Chapter
7
Reference Material
3
Slide
2
Globe
1