O'Brien, David (2025) The Examined Life: The Kernel of Lifelong Learning? Interview with Dr Derek Barter by Dr David O’Brien. Maynooth Philosophical Papers. ISSN 2009-7751
O'Brien, David (2022) What is the human being, and what is our place in the Cosmos? Max Scheler's The Human Place in the Cosmos as a response to transhumanism, the technological singularity, and post-biological evolution. PhD thesis, National University of Ireland Maynooth.