| Central Stocks Unit | Local history lending | 673 | Available |
| HALS | Local history reference | 785.97 | Not for loan (Set: 13 Dec 2011) |
| HALS | Local history reference | 785.9709425Local | Not for loan (Set: 13 Dec 2011) |
| HALS | Local history reference | Lewis Evan Collections 785.97 | Not for loan (Set: 14 Dec 2011) |
| Hertford Library | Local history reference | 673 | Not for loan (Set: 14 Dec 2011) |
| Hertford Library | Local history reference | 673 | Not for loan (Set: 14 Dec 2011) |
| Watford Central Library | Local history reference | LOC785.9709425 | Not for loan (Set: 14 Dec 2011) |
| Welwyn Garden City Library and Information Service | Local history reference | LOC 785.9709425 | Not for loan (Set: 14 Dec 2011) |