Format
Book
262,361
eBook
257,782
Electronic
145,750
Microfilm
40,155
Video
36,466
Map
18,752
Unknown
11,466
Serial
7,784
CD
6,403
Text
4,666
Musical Score
4,385
Record
4,242
Journal
2,558
DVD
2,165
VHS
1,042
Audio
788
Photo
672
Software
664
Manuscript
263
Image
259
Slide
184
StillImage
141
Cassette
115
Still Image
33
Blu-ray Disc
24
Kit
19
Text; Still Image
19
Brochure
17
Sensor Image
16
Physical Object
13
Newspaper
11
Book Chapter
10
Other
8
Braille
2
Article
1
Globe
1
StillImage; Text
1
Type
1
speeches
1
text
1