Index to the townland survey of the County of Londonderry, with manuscript notes on the divisions of districts, (1837-9?).
Lua i Stíl Chicago (17ú heag.)Index to the Townland Survey of the County of Londonderry, with Manuscript Notes on the Divisions of Districts, (1837-9?).
Lua MLA (9ú heag.)Index to the Townland Survey of the County of Londonderry, with Manuscript Notes on the Divisions of Districts, (1837-9?).
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
