| Owning | Item | Volume | ||
| Location | Form/Format | Count | Equivalence | Notes |
| McHenry | Volumes | 157,572 | 157,572.00 | |
| Newspapers | 3 | 37.50 | ||
| 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 | ||
| Media Center | Audiodiscs | 8,486 | 1,844.77 | |
| Science | Volumes | 46,922 | 46,922.00 | |
| Serial CD-ROMs | 5 | 5.00 | In CD cases on shelves | |
| Multi-media Kits | 2 | 2.00 | ||
| Floppy Disks | 21 | 21.00 | In cases on shelves | |
| Special Collections | Volumes | 6,727 | 6,727.00 | |
| Videotapes | 21 | 398.92 | Cartons | |
| UC Arch. Manuscripts | 742 | 9,555.81 | 667.4 manuscript units | |
| Personal Manuscripts | 1,210 | 12,654.36 | 1,040.6 manuscript units | |
| Other Pictorial Material | 7 | 46.92 | 4 boxes; 3 packages | |
| Other Archival Material | 1,430 | 9,261.08 | 855.1 manuscript units | |
| Motion Pictures | 5 | 110.00 | Cartons | |
| Microfilm Reels | 198 | 53.80 | ||
| Total | 228,994 | 249,672.00 |