1. ^{{Cite book | last = Schmitz | first = Leonhard | author-link = Leonhard Schmitz | contribution = Agresphon | editor-last = Smith | editor-first = William | title = Dictionary of Greek and Roman Biography and Mythology | volume = 1 | pages = 76 | publisher = Little, Brown and Company | place = Boston | year = 1867 | contribution-url = http://www.ancientlibrary.com/smith-bio/0085.html }}
2. ^Dict.of Ant. p. 30
3. ^Karl Otfried Müller, Orchom. p. 166, &c.
4. ^{{cite book | last = Liddell | first = Henry | authorlink = Henry Liddell |author2= Robert Scott | title = A Greek-English Lexicon | publisher = Oxford University Press | year = 1996 | location = Oxford | pages = 14 | url = | doi = | id = | isbn = 0-19-864226-1}}
5. ^{{cite book | last = Stratton | first = Thomas | title = The Celtic origin of a great part of the Greek and Latin languages, and of many classical proper names | publisher = Maclachlan & Stewart | year = 1870 | location = Edinburgh | pages = 55 | url = https://books.google.com/books?id=F2sCAAAAQAAJ }}