Catecismo Ilocano con esplicacion de los misterios principales de nuestra Santa Fe, etc. - Lopez, Francisco, d. ca. 1631. ([Quezon City] Photoduplication Service, University of the Philippines Library, 1974)
Originally published by Tipolog. del Asilo de Huerfanos de Ntr. Sra. de la Consolacion, Tambobong, 1894.
Keywords: Catholic Church -- Catechisms and creeds -- Iloko