Book 6
5.10
While these things were going on, about eight hundred of the Tegeans who were partisans of Stasippus fled to Lacedaemon as exiles, and subsequently the Lacedaemonians decided that, in accordance with their oaths, they ought to avenge the Tegeans who had been slain and to aid those who had been banished. So they decided to make an expedition against the Mantineans on the ground that, in violation of their oaths, they had proceeded in arms against the Tegeans. The ephors accordingly called out the ban, and the state directed Agesilaus to act as commander.
5.11
Now most of the Arcadians were gathering together at Asea. But since the Orchomenians refused to be members of the Arcadian League on account of their enmity toward the Mantineans, and had even received into their city the mercenary force, commanded by Polytropus, which had been collected at Corinth, the Mantineans were remaining at home and keeping watch upon them. On the other hand, the Heraeans and Lepreans were serving with the Lacedaemonians against the Mantineans.