| HALS | Local history reference | 942.5892WAT Local | Not for loan (Set: 14 Dec 2011) |
| HALS | Local history reference | 942.5892WAT Local | Not for loan (Set: 14 Dec 2011) |
| Watford Central Library | Local history reference | LOC942.5892WAT | Not for loan (Set: 14 Dec 2011) |