| Wikidata property for an identifier | Q19847637 |
| numeric identifier | Q93868746 |
| P1793 | format as a regular expression | [1-9]\d{3,5} |
| P2264 | Mix'n'match catalog ID | 167 |
| P3254 | property proposal discussion | https://www.wikidata.org/wiki/Wikidata:Property_proposal/Archive/9#P679 |
| P1896 | source website for the property | https://gestis.dguv.de/ |
| P9073 | applicable 'stated in' value | GESTIS database | Q15811170 |
| P1630 | formatter URL | https://wikidata-externalid-url.toolforge.org/?p=679&url_prefix=https%3A%2F%2Fgestis.dguv.de%2Fdata%3Flang%3Den%26name%3D&id=$1 | |
| P2302 | property constraint | format constraint | Q21502404 |
| single-value constraint | Q19474404 | ||
| allowed-entity-types constraint | Q52004125 | ||
| property scope constraint | Q53869507 | ||
| distinct-values constraint | Q21502410 | ||
| P2875 | property usage tracking category | Category:Pages using Wikidata property P679 | Q28753659 |
| Q28753659 | Category:Pages using Wikidata property P679 | related property | P1659 |
| Q15811170 | GESTIS database | Wikidata property | P1687 |
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