| Ordnance Survey Letters : Galway. Letters relating to the antiquities of the county of Galway containing information collected during the progress of the Ordnance Survey in 1838 and 1839 | | Monograph or Collective Volume | Fourmasters Press | 2009 |
| Ordnance Survey Letters : Roscommon. Letters relating to the antiquities of the county of Roscommon containing information collected during the progress of the Ordnance Survey in 1837 | | Monograph or Collective Volume | Fourmasters Press | 2010 |
| Ordnance survey letters Sligo : Letters relating to the antiquities of the county of Sligo containing information collected during the progress of the ordnance survey in 1836 and 1837 | | Monograph or Collective Volume | Fourmasters | 2010 |