| HALS | Local history reference | 333.7 | Not for loan (Set: 14 Dec 2011) |
| Hemel Hempstead Library | Local history reference | 333.7Local | Not for loan (Set: 14 Dec 2011) |
| Watford Central Library | Local history reference | 333.7094258LOC | Not for loan (Set: 14 Dec 2011) |