Format
Book
21,007
Electronic
20,847
eBook
20,698
DVD
396
Journal
221
Videocassette
156
Thesis
43
CD
36
Serial
34
Government Document
31
Conference Proceeding
28
Musical Score
23
CD-ROM or DVD-ROM
9
Newspaper
5
Zines
3
Audiocassette
2
Manuscript
2
Map
2
Vinyl Record
2
Database
1
Laserdisc
1
Microform serial
1
Video
1