| Wikimedia administration category | Q15647814 |
| P971 | category combines topics | Wikidata property usage tracking category | Q24514938 |
| value not on Wikidata | Q28858528 | ||
| P1659 | related property | Mathematics Genealogy Project ID | P549 |
| P549 | Mathematics Genealogy Project ID | category for value not in Wikidata | P3713 |
| Categoria:P549 assente su Wikidata | wikipedia |
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