Antzeko izenburuak: Man and his nature :
- MAN AND HIS NATURE: A PHILOSOPHICAL PSYCHOLOGY/
- An introduction to philosophical psychology /
- Man on His Nature /
- Proceedings of the American Catholic Philosophical Association : Philosophy and Finality /
- Symposium sobre derecho natural y axiología /
- Man's Nature and His Communities : Essays on the Dynamics and Enigmas of Man's Personal and Social Existence /