Xenophon's Anabasis (Cambridge, Trinity College, MS R.9.29)

for the Thracians who live above the Hellespont, and he was benefiting the Greeks, so that the Hellespontine cities were willingly contributing money to him for the support of the soldiers. And this army, being supported in this way, was hidden from the King. Aristippus the Thessalian happened to be a guest-friend of his, and being pressured by his domestic political opponents, he came to Cyrus and asked him for two thousand mercenaries and three months' pay, arguing that he would thus prevail over his opponents. Cyrus gave him four thousand and six months' pay. And he asked him not to come to terms with his opponents before consulting with him. Thus, the army in Thessaly was also being supported for him secretly. Proxenus the Boeotian, being his friend, he ordered to take as many men as possible and come, as he wished to campaign against the Pisidians, claiming that the Pisidians were causing trouble in his own territory. Sophaenetus the Stymphalian and Socrates the Achaean, being guest-friends of his as well, he ordered to take as many men as possible and come, as he intended to make war on Tissaphernes with the fugitives from Miletus. And they did so. When it seemed to him that it was time to march up-country, he made the pretext that he wished to expel the Pisidians entirely from the country, and he assembled there both the barbarian and the Greek army for this purpose. And he ordered Clearchus to come taking whatever army he had. And to Aristippus, having made terms with his opponents, to send the army he had to him, and to Xenia the Arcadian, who had been in charge of the mercenary force in the cities, he ordered to come taking the men,