Tarn, W.W. 1928. Ptolemy II. The Journal of Egyptian Archaeology, 14(3/4), 246–260. The Byzantine writer Tzetzes gives a similar figure in his essay On Comedy.
Socrates; Roberts, Alexander; Donaldson, James (1885), »Socrates: Book V: Chapter 16« , v Philip Schaff; in sod. (ur.), Nicene and Post-Nicene Fathers, II, zv. II