| OCLC OLD | NAME | OCLC NEW | NOTIS NEW |
| Accomp | Accompanying matter | AccM | A/MAT |
| Alphabt | Original alphabet or script of title | Alph | OA |
| Audience | Target Audience | Audn | T/AUD |
| Base | Base map elements | Porj, Prme | BME |
| Bib Lvl | Bibliographic Level | BLvl | BL |
| Comp | Form of composition | Comp | F/COMP |
| Conf pub | Conference publication | Conf | CONF |
| Cont | Nature or entire works of Nature of contents | EntW, Cont | CONT |
| Ctry | Country of publication, etc. | Ctry | PLACE |
| Dates | Date 1 and Date 2 | Dates | DT/1, DT/2 |
| Dat tp | Type of date | DtSt | D/CODE |
| Desc | Descriptove cataloging form | Desc | DCF |
| Enc lvl | Encoding level | ELvl | E/L |
| F/B | Fiction and Biography | Fict, Biog | FICT, BIOG |
| Festschr | Festschrift | Fest | FEST |
| File | Type of computer file | File | DF/TYPE |
| Form | Special format characterisitcs | SpFm | SP/FORM |
| Format | Format of Music | FMus | SCORE |
| Frequn | Frequency | Freq | FREQ |
| Govt pub | Government publication | GPub | GOVT |
| Illus | Illustrations | Ills | ILLUS |
| Indx | Index | Indx | INDX |
| Int lvl | Intellectual level | Audn | T/AUD |
| ISDS | ISSN Center | ISSN | ISDS |
| LTxt | Literary text (sound recordings) | LTxt | L/TEXT |
| Mod rec | Modified record code | MRec | MOD |
| Phys med | Form of original item | Orig | MED |
| Pub st | Publication status | DtSt | D/CODE |
| RecG | Cartographic material type | CrTp | CM/TYP |
| Regulr | Regularity | Regl | REG |
| Relief | Relief | Relf | RELIEF |
| Repr | Form of item | Form | REPRO |
| Set tp | Type of Serial | SrTp | S/T |
| S/L ent | Successive/latest entry | S/L | SLE |
| Source | Cataloging source code | Srce | SRC |
| Tech | Technique | Tech | TECH |
| Type | Type of record | Type | RT |
| Type mat | Type of material | TMat | SMD |
| no old form | Type of control | Ctrl | T/C |