Katekismos joki barsisa nama kristian, bia Oromo (Galla) gedêti Abunni Jacobi, Episcopos Adramittaf, Vikarios Apostolikos gara gosoli Oromofi Sidamatti aka kitabe /
Catechismus seu instructio hominis christiani, quem scripsit ad usum regionum Oromonicarum (Galla) Fr. Taurinus L. Cahagne, qui et Abba Jacob, O.M.C., Episcopus Adramyttensis et Vicar. Apostolicus ad populos Oromo et Sidama
[Catechism or instruction of the Christian person, written for the use of the Oromo regions (Galla) by Fr. Taurinus L. Cahagne, who is also Abba Jacob, O.M.C., Bishop of Adramyttium, and Vicar Apostolic to the Oromo and Sidama peoples].
Paris: Mersch, 1880.