OSM tag name=Firth-Glengarry Historic District matches Firth-Glengarry Historic District in these Wikidata fields:
OSM tag name=Firth-Glengarry Historic District matches Firth–Glengarry Historic District in these Wikidata fields:
| Historic districts in Middlesex County, Massachusetts | admin_level, boundary=administrative, landuse=residential, place, leisure=park, boundary=protected_area |
| Historic districts on the National Register of Historic Places in Massachusetts | admin_level, boundary=administrative, landuse=residential, place, leisure=park, boundary=protected_area, historic |
| National Register of Historic Places in Winchester, Massachusetts | boundary=protected_area, historic |