Caraman, P. (1985). St Philip Howard. Catholic Truth Society.
Lua i Stíl Chicago (17ú heag.)Caraman, Philip. St Philip Howard. London: Catholic Truth Society, 1985.
Lua MLA (8ú heag.)Caraman, Philip. St Philip Howard. Catholic Truth Society, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.