Ordnance Survey of Ireland

• Indexes to the 1/2500 and 6-Inch Scale Maps and Small Specimens of Different Maps Published
• Ireland Driving Map
• Letters containing information relative to the antiquities of the counties of Cavan and Leitrim (Breifny)
• Letters containing information relative to the antiquities of the County of Down
• Letters containing information relative to the antiquities of the County of Kerry
• Letters containing information relative to the antiquities of the County of Mayo
• Letters containing information relative to the antiquities of the County of Wicklow
• Ordnance survey of Ireland