Kley, M. (1973). Father Josef Kentenich: Biographical sketch, novena. Secretariate Father Josef Kentenich.
Lua i Stíl Chicago (17ú heag.)Kley, M. Father Josef Kentenich: Biographical Sketch, Novena. Vallendar; Rhein: Secretariate Father Josef Kentenich, 1973.
Lua MLA (8ú heag.)Kley, M. Father Josef Kentenich: Biographical Sketch, Novena. Secretariate Father Josef Kentenich, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.