Many accurate 1921 census transcriptions have already been added to the pub history site, including London, and parts of Middlesex. If you can contribute to the site, send me some details to Kevan, along with some description of the specific property.
Directory of Pubs in the UK, historical public houses, Taverns, Inns, Beer Houses and Hotels in Hertfordshire .
| Premises | Pic? | Text? |
| Builders Arms, North Mimms, Hatfield, Hertfordshire | No | Yes |
| Hope & Anchor, Welham Green, North Mimms, Hatfield, Hertfordshire | No | Yes |
| Old Maypole, Water End, North Mimms, Hatfield, Hertfordshire | Yes | Yes |
| Sibthorpe Arms, Welham Green, North Mimms, Hatfield, Hertfordshire | No | Yes |
| White Swan, North Mimms, Hatfield, Hertfordshire | No | Yes |
| Woodman, Water End, North Mimms, Hatfield, Hertfordshire | No | Yes |