| Central Stocks Unit | Local history lending | LOC 372.942 | Available |
| HALS | Local history reference | 372.9425Local | Not for loan (Set: 14 Dec 2011) |
| HALS | Local history reference | 370STM WEL (shelved in Room 8 | Not for loan (Set: 14 Dec 2011) |
| HALS | Local history reference | 372.9425Local | Not for loan (Set: 14 Dec 2011) |
| HALS | Local history reference | 372.9425Local | Not for loan (Set: 14 Dec 2011) |
| Welwyn Community Library | Local history lending | LOC 372.942WEL | Available |
| Welwyn Garden City Library and Information Service | Local history lending | LOC P 372.942 WEL | Available |
| Welwyn Garden City Library and Information Service | Local history reference | LOC P 372.942 WEL | Not for loan (Set: 14 Dec 2011) |
| Welwyn Garden City Library and Information Service | Local history reference | LOC 372.942 WEL | Not for loan (Set: 14 Dec 2011) |