eBook 7,332 Book 4,690 Government Document 2,013 Microform 199 Video 179 Database 102 DVD 81 Serial 67 Conference Proceeding 47 Journal 44 Thesis 40 VHS 14 Map 12 Blu-ray Disc 7 Software 6 Audio 4 CD 3 Photo 3 Manuscript 2 Musical Score 2 Book Chapter 1 Kit 1