Format
eBook
1,125,875
Book
587,714
Government Document
187,093
Electronic
126,919
Video
94,591
Microfilm
22,173
Thesis
22,094
Audio
20,905
Musical Score
19,071
Conference Proceeding
18,057
Journal
8,001
DVD
4,206
Serial
3,580
CD
2,528
Map
2,000
Software
1,377
Manuscript
631
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517
Kit
438
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341
Physical Object
216
VHS
57
Database
49
Cassette
34
Blu-ray Disc
11
Book Chapter
7
Reference Material
3
Slide
2
Globe
1