| ID | Repository | Reference | Date | Description | Collection |
|---|---|---|---|---|---|
| 6774 | Public Record Office of Northern Ireland | D/2194/ | c.1870-1923 | The papers of Young and Mackenzie Chartered Architec... |
| ID | Repository | Reference | Date | Description | Collection |
|---|---|---|---|---|---|
| 6774 | Public Record Office of Northern Ireland | D/2194/ | c.1870-1923 | The papers of Young and Mackenzie Chartered Architec... |