| Subject | English | Thesaurus |
| abbr., file.ext. | Demand Deposit Program Library | DDPL |
| univer., abbr. | Extra Credit Library | ECL |
| ocean., abbr. | International Mathematics and Statistics Library | IMSL |
| abbr., progr. | part library | parts library (ssn) |
| ed., abbr. | Recommended Reading Library | RRL |