eBook 534,014 Government Document 352,359 Book 327,583 Microform 37,631 Serial 17,739 Database 8,687 Video 7,709 Journal 7,400 Conference Proceeding 4,670 DVD 3,153 Thesis 2,187 Audio 1,930 Map 1,819 CD 1,746 Musical Score 992 VHS 942 Software 878 Photo 444 Blu-ray Disc 443 Newspaper 313 Manuscript 172 Cassette 118 Book Chapter 116 Kit 92 Reference Material 84 Electronic 74 Physical Object 30 Slide 8 Unknown 5 Braille 1 Sensor Image 1