Barber, V. (2013). Barber, Virgil H., SJ, Papers. DigitalGeorgetown.
Lua i Stíl Chicago (17ú heag.)Barber, Virgil. Barber, Virgil H., SJ, Papers. Washington, D.C.: DigitalGeorgetown, 2013.
Lua MLA (8ú heag.)Barber, Virgil. Barber, Virgil H., SJ, Papers. DigitalGeorgetown, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.