Format
eBook
533,739
Government Document
351,968
Book
327,578
Microform
37,631
Serial
17,724
Database
8,584
Video
7,703
Journal
7,400
Conference Proceeding
4,670
DVD
3,153
Thesis
2,187
Audio
1,929
Map
1,819
CD
1,746
Musical Score
992
VHS
942
Software
878
Photo
444
Blu-ray Disc
443
Newspaper
313
Manuscript
171
Cassette
118
Book Chapter
116
Kit
92
Reference Material
83
Electronic
71
Physical Object
30
Slide
8
Unknown
5
Braille
1
Sensor Image
1