Geahča maid: Le Cardinal Manning
- Woman and Man : the humanum in its entirety
- El cardenal Manning : una biografía intelectual.
- One dimensional man : studies in the ideology of advanced industrial society.
- Le Cardinal Mercier : Apostolus Jesu Christi.
- The wise man from the west : Matteo Ricci and his mission to China.
- Musikinstrumente und wie man sie spielt