Book 14,869 eBook 3,090 Microform 638 Government Document 221 Thesis 152 Journal 148 Video 140 CD 110 Audio 101 Conference Proceeding 84 Serial 63 Cassette 57 VHS 51 Software 49 DVD 39 Kit 18 Map 11 Photo 8 Database 5 Electronic 2 Manuscript 2 Physical Object 1 Slide 1