The Londonderry Institute and Forecourt Wall (Seaham) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Department of Environment, English Heritage, Historic Buildings and Monuments Commission | 1950 | List of buildings of special architectural or historic interest, also known as "Greenbacks" | LB Volume, Map & Item: 488, 4, 42 |
| 2 | Kelly | 1914 | Kelly's Directory of Durham | p. 330 |
| 3 | War Office Northern Command | 01-Jun-1918 | List of Lands and Buildings in the occupation of the War Department, 1st June 1918. | |
| 4 | Archaeological Services University of Durham, Carne, P | 04-Dec-1998 | Turning the Tide, Archaeological Assessment | site number 206, p64 |
| 5 | Durham County Council | The Londonderry Institute and Forecourt Wall | ||
| 6 | Durham County Council | 03-Jun-2016 | 3 photographs of The Londonderry Institute and Forecourt Wall | |
| 7 | Linsley, S | 31-May-2017 | Gazetteer of Schools etc in the North East | |
| 8 | Roberts, M, Pevsner, N, Williamson, E, Yale University Press | 2021 | The Buildings of England County Durham | page 610 |
| 9 | 1973 | Industrial Monuments Survey Provisional Scheduling List |