Metz, Thaddeus / Cottingham, John G. / Thomson, Garrett / Wielenberg, Erik J. / Fischer, John Martin Exploring the Meaning of Life An Anthology and Guide ISBN 978-0-470-65878-9 August 2012
Metz, Thaddeus / Cottingham, John G. / Thomson, Garrett / Wielenberg, Erik J. / Fischer, John Martin Exploring the Meaning of Life An Anthology and Guide ISBN 978-0-470-65879-6 August 2012
Papazoglou, Alexis (ed.) The Pursuit of Philosophy Some Cambridge Perspectives ISBN 978-1-118-29518-2 August 2012
