SMITH, Justin E. H. The philosopher : a history in six types. Princeton ; Oxford : Princeton University Press, 2016. 1 online zdroj (xii, 272 stran). Dostupné na internetu: <http://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=1105149&lang=cs&site=eds-live&ebv=EB&ppid=pp_Cover> ISBN 9781400880577.