, 2018, "Song of the earth": an eco-phenomenology, in W. S. Smith, J. Smith & D. Verducci (eds.), Eco-Phenomenology, Dordrecht, Springer, pp. 235-243.
, 2016, Eternal recurrence and Nietzsche's Halcyon progeny, in A. Tymieniecka & P. Trutty-Coohill (eds.), The cosmos and the creative imagination, Dordrecht, Springer, pp. 219-225.
, 2015, Ringing, in A. Tymieniecka (ed.), From sky and earth to metaphysics, Dordrecht, Springer, pp. 263-271.
, 2014, "Heraclitus/Nietzsche/Heidegger in πόλεμς” - “τά δὲ πάντα οἰακίζει κεραυνός” – Heraclitus, in A. Tymieniecka (ed.), Phenomenology of space and time I, Dordrecht, Springer, pp. 425-433.
, 2012a, Wonder of emptiness, in A. Tymieniecka (ed.), Art, literature, and passions of the skies, Dordrecht, Springer, pp. 115-125.