Book 315,182 eBook 112,289 Microform 18,391 Government Document 8,674 Video 6,618 Journal 4,421 Thesis 2,582 Conference Proceeding 2,416 DVD 2,346 Serial 1,700 Audio 814 CD 794 VHS 776 Musical Score 772 Manuscript 678 Map 606 Database 298 Newspaper 284 Blu-ray Disc 227 Software 207 Photo 165 Kit 161 Book Chapter 158 Cassette 66 Electronic 53 Slide 17 Physical Object 16 Unknown 14 Reference Material 7 Braille 2 Globe 1