Format
Book
558,463
Photo
23,344
Electronic
12,151
Manuscript
10,433
Thesis
10,290
Kit
9,520
Unknown
8,833
Musical Score
5,809
Map
4,602
Conference Proceeding
4,502
Journal
3,450
Serial
1,699
Audio
1,695
Physical Object
1,128
Book Chapter
1,046
Government Document
912
Newspaper
384
Reference Material
271
Article
17