Waterman, D. M. (1968). Rectangular keeps of the 13th cent. at Grenan (Kilkenny) and Glanworth (Cork).
Lua i Stíl Chicago (17ú heag.)Waterman, D. M. Rectangular Keeps of the 13th Cent. at Grenan (Kilkenny) and Glanworth (Cork). 1968.
Lua MLA (9ú heag.)Waterman, D. M. Rectangular Keeps of the 13th Cent. at Grenan (Kilkenny) and Glanworth (Cork). 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
