Flavio Filostrato

Iarchas' gift of prescience

Frederick Cornwallis Conybeare, The life of Apollonius of Tyana, William Heinemann, London 1921, Cap. III, §16.

Ippolito di Roma

Refutatio Omnium Haeresium

George Francis Legge, Philosophumena Or the Refutation of All Heresies, Vol. 1, The MacMillan Company, New York 1921.