| Owning | Item | Volume | ||
| Location | Form/Format | Count | Equivalence | Notes |
| McHenry | Volumes | 158,650 | 158,650.00 | |
| Newspapers | 3 | 37.50 | ||
| Monographic CD-ROMs | 1 | 1.00 | In CD case on shelf | |
| Microfiche | 31 | 484.37 | Items are multi-fiche units | |
| Maps | 4,057 | 3,552.91 | 1,052 sheets; 3,005 volumes | |
| Microfilm Reels | 1,555 | 422.56 | ||
| Floppy Disks | 1 | 1.00 | In case on shelf | |
| Media Center | Audiodiscs | 8,420 | 1,830.42 | |
| Science | Volumes | 50,923 | 50,923.00 | |
| Videotapes | 60 | 60.00 | In videotape cases on shelves | |
| Serial CD-ROMs | 5 | 5.00 | In CD cases on shelves | |
| Multi-media Kits | 2 | 2.00 | ||
| Floppy Disks | 159 | 159.00 | In cases on shelves | |
| Special Collections | Volumes | 10,537 | 10,537.00 | |
| Videotapes | 21 | 398.92 | Cartons | |
| UC Arch. Manuscripts | 740 | 9,475.11 | 658.8 manuscript units | |
| Personal Manuscripts | 1,273 | 12,688.67 | 1,091.3 manuscript units | |
| Other Pictorial Material | 7 | 46.92 | 4 boxes; 3 packages | |
| Other Archival Material | 1,244 | 7,689.17 | 697.0 manuscript units | |
| Motion Pictures | 5 | 110.00 | Cartons | |
| Microfilm Reels | 197 | 53.53 | ||
| Total | 237,891 | 257,128.08 |