Delp, A. (1962). Alfred Delp: Alfred Delp. Herder.
Lua i Stíl Chicago (17ú heag.)Delp, Alfred. Alfred Delp: Alfred Delp. Freiburg: Herder, 1962.
Lua MLA (8ú heag.)Delp, Alfred. Alfred Delp: Alfred Delp. Herder, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.