Ancient Philosophy – Reference

Lives of the Eminent Philosophers (Oxford, 2018)
Lives of Eminent Philosophers (Cambridge, 2013)
A Companion to Ancient Philosophy (2009)
The Routledge Companion to Ancient Philosophy (2013)
A Companion to Ancient Philosophy (2018)
The Philosophers of the Ancient World: An A-Z Guide (2006)
Historical Dictionary of Ancient Greek Philosophy (2015)