| P279 | subclass of | ... | Q385994 (special library) | special library |
| P279 | subclass of | ... | Q1224870 (virtual library) | virtual library |
| P910 | topic's main category | ... | Q9168538 (???) | ??? |
| P2671 | Google Knowledge Graph ID | /g/1225qgf4 |
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log id: 3338796