Format
Electronic
176,739
eBook
174,127
Book
124,843
Journal
3,079
DVD
1,398
Serial
956
Videocassette
490
Conference Proceeding
316
Government Document
184
Microfilm
161
Thesis
157
Musical Score
124
CD
58
Microform book
33
Map
24
CD-ROM or DVD-ROM
22
Book Chapter
21
Audiocassette
11
Video
10
Newspaper
8
Vinyl Record
8
Archives and Manuscripts
7
Laserdisc
7
Zines
5
Database
3
Manuscript
3
Blu-ray
2
Video game
2
Other
1