O'Brien, I. (1938). The Father's shadow. The rosary. Fragments. Doors. St. Anthony's Guild, Franciscan Monastery.
Lua i Stíl Chicago (17ú heag.)O'Brien, Isidore. The Father's Shadow. The Rosary. Fragments. Doors. Paterson, NJ: St. Anthony's Guild, Franciscan Monastery, 1938.
Lua MLA (8ú heag.)O'Brien, Isidore. The Father's Shadow. The Rosary. Fragments. Doors. St. Anthony's Guild, Franciscan Monastery, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.