Purcell, M. (1960). Our Lady of Knock. Catholic Truth Society of Ireland.
Lua i Stíl Chicago (17ú heag.)Purcell, Mary. Our Lady of Knock. Wexford: Catholic Truth Society of Ireland, 1960.
Lua MLA (8ú heag.)Purcell, Mary. Our Lady of Knock. Catholic Truth Society of Ireland, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.