| Central Stocks Unit | Local history lending | LOC 711.45 | Available |
| HALS | Local history reference | 711.45Undercroft emergency stack | In-process (Set: 29 Jun 2012) |
| HALS | Local history reference | 711.45County Reserve Stock | In-process (Set: 12 Jun 2012) |
| HALS | Local history reference | 711.45County Reserve Stock | In-process (Set: 03 Jul 2012) |
| Letchworth Library | Local history reference | 711.45 | Not for loan (Set: 14 Dec 2011) |
| Welwyn Garden City Library and Information Service | Local history lending | LOC 711.45 N.T. | Available |
| Welwyn Garden City Library and Information Service | Local history lending | LOC 711.45 N.T. | Available |