Caraman, P. (1980). Saint Nicholas Owen: Maker of hiding holes. London.
Lua i Stíl Chicago (17ú heag.)Caraman, Philip. Saint Nicholas Owen: Maker of Hiding Holes. London, 1980.
Lua MLA (8ú heag.)Caraman, Philip. Saint Nicholas Owen: Maker of Hiding Holes. London, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.