There's a cool tool for adding these ID connections to Wikidata: https://mix-n-match.toolforge.org/ https://mix-n-match.toolforge.org/ It let's you review exi

There's a cool tool for adding these ID connections to Wikidata: https://mix-n-match.toolforge.org/ https://mix-n-match.toolforge.org/ It let's you review existing potential matches as well as upload CSVs or generate regex web scrapers to ingest database IDs to be linked against others. Here some related to places, since the article is geographical: https://mix-n-match.toolforge.org/#/group/ig_authority_control_for_places https://mix-n-match.toolforge.org/#/group/ig_authority_contr... But it's got all sorts of people places and things, anything that someone might have built a catalog or list of.