| Wikidata property for authority control for people | Q19595382 |
| Wikidata property for authority control by VIAF member | Q55586529 |
| Wikidata property for authority control (libraries) | Q96776953 |
| P1793 | format as a regular expression | \d{12} |
| P3254 | property proposal discussion | https://www.wikidata.org/wiki/Wikidata:Property_proposal/Archive/15#P951 |
| P8966 | URL match pattern | ^https?:\/\/viaf\.org\/processed\/NSZL%7C(\d{12}) |
| P9073 | applicable 'stated in' value | Virtual International Authority File | Q54919 |
| P17 | country | Hungary | Q28 |
| P1630 | formatter URL | https://viaf.org/en/processed/NSZL%7C$1 | |
| P1552 | has characteristic | VIAF component | Q26921380 |
| numeric identifier | Q93868746 | ||
| P2378 | issued by | National Széchényi Library | Q1063819 |
| P6104 | maintained by WikiProject | WikiProject Authority control | Q88300058 |
| P2302 | property constraint | format constraint | Q21502404 |
| distinct-values constraint | Q21502410 | ||
| single-value constraint | Q19474404 | ||
| item-requires-statement constraint | Q21503247 | ||
| subject type constraint | Q21503250 | ||
| allowed-entity-types constraint | Q52004125 | ||
| property scope constraint | Q53869507 | ||
| P1659 | related property | NSZL name authority ID | P3133 |
| P2668 | stability of property value | never changes | Q23611288 |
| P3133 | NSZL name authority ID | related property | P1659 |
| Q1063819 | National Széchényi Library | Wikidata property | P1687 |
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