Robert Morstein-Marx, Mass Oratory and Political Power in the Late Roman Republic (Cambridge University Press, 2004), p. 99 online.[mrtva povezava]
ehw.gr
Hyagnis (Greek: Ὑάγνις, gen.: Ὑάγνιδος or Ἄγνις) je bil mitski glasbenik iz Frigije, izumitelj avlosa. Hyagnis je bil tudi eden od treh mitoloških frigijskih glasbenikov (skupaj z Marsiom in Olimpom), katerim so stari Grki pripisali izum frigijske lestvice v glasbi(see Anthi Dipla:2001).
Elaine Fantham, "Liberty and the Roman People," Transactions of the American Philological Association 135 (2005), p. 221; on assemblies of the people, see William Smith, Dictionary of Greek and Roman Antiquities, Bill Thayer's edition at LacusCurtius, "Comitia."
