Audio 1,931 Blu-ray Disc 443 Book 327,587 Book Chapter 116 Braille 1 CD 1,747 Cassette 118 Conference Proceeding 4,671 DVD 3,153 Database 8,765 Electronic 80 Government Document 352,657 Journal 7,400 Kit 92 Manuscript 172 Map 1,819 Microform 37,631 Musical Score 992 Newspaper 313 Photo 444 Physical Object 30 Reference Material 84 Sensor Image 1 Serial 17,751 Slide 8 Software 878 Thesis 2,187 Unknown 5 VHS 942 Video 7,712 eBook 534,223