| Clochar na Righ (Clogher of the Kings): being a history of the Town and District of Clogher, in the County of Tyrone. Also some account of the Parish of Errigal Keeroge, in the County of Tyrone, and of the Parish of Errigal Truagh in the County of Monaghan | Marshall, John J. | Monograph or Collective Volume | Tyrone Printing Co. | 1930 |