Sleeper Stones, Newton Aycliffe (Newton Aycliffe) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Historic England | 19-Oct-2021 | Stockton & Darlington Railway HAZ: Sleeper stones adjacent to Newton Aycliffe Station Case Number: 1475317 HE Assessment Report | HE Case report |
| 2 | Private Individual | 18-Jan-2021 | Sleeper Stones, Newton Aycliffe, Local Listing Form | Local Heritage List proforma |