Backes, J. (1960). Out of poverty -- life: The life of Brother James Wirth, the founder of the Congregation of the Franciscan Brothers of the Holy Cross, Hausen. s.n..
Lua i Stíl Chicago (17ú heag.)Backes, Jacob. Out of Poverty -- Life: The Life of Brother James Wirth, the Founder of the Congregation of the Franciscan Brothers of the Holy Cross, Hausen. [S.l.: s.n., 1960.
Lua MLA (8ú heag.)Backes, Jacob. Out of Poverty -- Life: The Life of Brother James Wirth, the Founder of the Congregation of the Franciscan Brothers of the Holy Cross, Hausen. s.n., 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.