Catholic Church. Pope (1878-1903 : Leo XIII), Treacy, G. C., & Leo XIII, P. (1944). Freemasonry. Paulist Press.
Lua i Stíl Chicago (17ú heag.)Catholic Church. Pope (1878-1903 : Leo XIII), Gerald C. Treacy, agus Pope Leo XIII. Freemasonry. New York: Paulist Press, 1944.
Lua MLA (8ú heag.)Catholic Church. Pope (1878-1903 : Leo XIII), et al. Freemasonry. Paulist Press, 1944.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.