Format
Article
17
Audio
1,705
Book
560,140
Book Chapter
1,045
Conference Proceeding
4,520
Electronic
12,153
Government Document
916
Journal
3,455
Kit
9,552
Manuscript
10,453
Map
4,620
Musical Score
5,817
Newspaper
384
Photo
23,357
Physical Object
1,133
Reference Material
268
Serial
1,701
Thesis
10,303
Unknown
8,845