APELLA).
F. Schomann, Antiquities of Greece; The State Bibliography.-G. F. Schomann, Antiquities of Greece; The State (Eng. trans.) G. Gilbert, Constitutional Antiquities of Sparta and Athens (Eng. trans. 1895) ; A. H. J. Greenidge, Greek Constitutional History (1896) ; L. Whibley, Companion to Greek Studies (1916). For ancient authorities see Aristotle, Politics II., Plutarch, Lycurgus.