Format
Book
151,349
Government Document
39,647
Map
17,271
Serial
13,789
Unknown
6,214
Journal
5,851
Electronic
4,742
Thesis
3,323
Kit
3,200
Photo
2,405
Conference Proceeding
1,451
Newspaper
1,277
Reference Material
904
Manuscript
755
Audio
684
Book Chapter
328
Musical Score
174
Physical Object
22
Article
12