| Abbreviation | Definition |
|---|---|
| EZWG | South Side Branch Library, Bay City, Michigan Library code |
| EZWL | Bay County Libraries, Pinconning Branch Library, Pinconning, Michigan Library code |
| EZWN | Sage Branch Library, Bay City, Michigan Library code |
| EZWP | Butman-Fish Memorial Library, Saginaw, Michigan Library code |
| EZWS | Archer A. Claytor Library, Saginaw, Michigan Library code |
| EZWU | Hoyt Library, Saginaw, Michigan Library code |
| EZWY | Ruth Brady Wickes Library, Saginaw, Michigan Library code |
| f. | folio |
| FABL | Friends at Beloit Library |
| facsim. | facsimile |
| FAL | Fine Arts Library |
| FAPL | Friends of the Aurora Public Library |
| FARL | Frick Art Reference Library |
| FarmakolToxsikol | Farmakologiya I Toxsikologiya (Moscow) |
| FBL | Fairmount Branch Library |
| FCCL | Farnham Common Community Library |
| FCDL | Fairfield County District Library |
| FCFL | First Choice Foundation Library |
| FCL | Faulkner County Library |
| FCL | flexible collision library |