In bibliographic records, the alphabetical code that appears before the call number indicates the Special Collection Code. The meanings of the codes are listed below:
| Code | Material Type |
|---|---|
| BOOK | Book (with accompanying audiovisual materials) |
| BCD | Accompanying CD-ROM |
| BDK | Accompanying Diskette |
| BFF | Accompanying Microfiche |
| BFM | Accompanying Microfilm Reel |
| BMV | Accompanying Videocassette |
| BRT | Accompanying Audiocassette |
| BOT | Other Accompanying Material |
| CD | Audio CD |
| CM | Reference CD-ROM |
| DK | Diskette |
| DVD | DVD |
| FF | Microfiche |
| FM | Microfilm Reel |
| M | Map |
| MU | Musical Score |
| MV | Videocassette |
| OT | Other |
| R | Reference Book |
| RBCD | Reference CD-ROM (Accompanying Material) |
| RT | Audiocassette |
| S | Serial / Journal |
| T | Thesis (Library Use Only) |
| VCD | VCD (Video Compact Disc) |
