Format
eBook
1,242,424
Book
611,521
Government Document
188,501
Video
99,965
Journal
71,154
Musical Score
69,763
Audio
57,831
Electronic
33,504
Microfilm
22,636
Thesis
22,545
Conference Proceeding
18,953
CD
8,048
Serial
7,065
DVD
4,690
Software
2,520
Map
2,018
Newspaper
703
Manuscript
668
Photo
465
Kit
442
Physical Object
302
Database
63
VHS
59
Cassette
44
Unknown
33
Blu-ray Disc
12
Book Chapter
7
Reference Material
3
Slide
2
Globe
1