Leo XIII, P. (1977). Ultima palabra de Santidad Leon XIII sobre la masoneria [microform]. Photoduplication Service, University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)Leo XIII, Pope. Ultima Palabra De Santidad Leon XIII Sobre La Masoneria [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Lua MLA (9ú heag.)Leo XIII, Pope. Ultima Palabra De Santidad Leon XIII Sobre La Masoneria [microform]. Photoduplication Service, University of the Philippines Library, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.