Format
Book
198,064
Book Chapter
46,688
Conference Proceeding
15,671
eBook
15,654
Video
10,192
Journal
7,951
Software
7,446
DVD
6,865
Audio
3,189
Thesis
2,739
VHS
2,448
Serial
1,348
Map
799
Cassette
774
Blu-ray Disc
760
Musical Score
709
Photo
585
Kit
512
CD
190
Database
105
Manuscript
105
Physical Object
76
Newspaper
54
Slide
10
Unknown
9
Electronic
6
Reference Material
5
Microfilm
4
Sensor Image
3