| CASS | … | audio cassette |
| CD | … | music CD |
| CDR | … | CD-ROM |
| CT | … | audio cassette |
| DJ | … | dustjacket |
| DVD | … | video disc |
| FEP | … | front end paper |
| FIL | … | file or folder |
| GCD | … | video games on CD |
| HB | … | hardback |
| MAG | … | magazine |
| PB | … | standard paperback |
| SC | … | soft cover, except PB |
| SP | … | spiral bound |
| VCD | … | video disc (older style) |
| VHS | … | video cassette |
