History of the Peloponnesian War

"If it shall seem good to the Lacedaemonians and Athenians to add or take away anything pertaining to the alliance, it shall be consistent with the oaths of both to do whatever may seem good to both.

“For the Lacedaemonians the following persons took the oath: Pleistoanax, Agis, Pleistolas, Damagetus, Chionis, Metagenes, Acanthus, Daïthus, Ischagoras, Philocharidas, Zeuxidas, Antippus, Alcinadas, Tellis, Empedias, Menas, Laphilus; for the Athenians, Lampon, Isthmionicus, Laches, Nicias, Euthydemus, Procles, Pythodorus, Hagnon, Myrtilus, Thrasycles, Theagenes, Aristocrates, Iolcius, Timocrates, Leon, Lamachus, Demosthenes.” This alliance was made not long after the treaty, and the Athenians restored to the Lacedaemonians the captives taken on the island;