John O'Donovan's Letters from County Londonderry (1834): Letters Containing Information Relative to the Antiquities of the County of Londonderry Collected During the Progress of the Ordnance Survey
John O'Donovan (Irish: Seán Ó Donnabháin; 25 July 1806 – 10 December 1861), from Atateemore, in the parish of Kilcolumb, County Kilkenny, and educated at Hunt's Academy, Waterford, was an Irish language scholar from Ireland.