| Acronym | Meaning |
| SUDOC | Superintendent Of Documents |
| BOP | Federal Bureau Of Prisons |
| MCHB | Maternal And Child Health Bureau |
| DINFOS | Defense Information School |
| COPS | Office Of Community Oriented Policing Services |
| OBL | Office Of Business Liaison |
| LOC | Library Of Congress |
| BLS | Bureau Of Labor Statistics |
| FOIA | Freedom Of Information Act |
| FRS | Federal Reserve System; Federal Relay Service |