| HALS | Local history reference | 912.425 Room 8 Annotated by HodsonCounty Reserve Stock | Not for loan (Set: 24 Jan 2012) |
| HALS | Local history reference | 912.425 room8County Reserve Stock | Not for loan (Set: 04 Aug 2015) |
| HALS | Local history reference | 912.425 ARR shelf O1 Annotated by Hodson | Not for loan (Set: 13 Dec 2011) |
| HALS | Local history reference | 912.425County Reserve Stock | Not for loan (Set: 04 Aug 2015) |
| Hemel Hempstead Library | Local history reference | 912.425LOC | Not for loan (Set: 14 Dec 2011) |
| Welwyn Garden City Library and Information Service | Local history reference | LOC P.912.425 | Not for loan (Set: 14 Dec 2011) |