Plato, Laws 849c

τρίτῃ δὲ εἰκάδι τῶν ζῴων ἔστω πρᾶσις, ὅσα πρατέα ἑκάστοις ἢ ὠνητέα αὐτοῖς δεομένοις, καὶ ὁπόσων σκευῶν ἢ χρημάτων γεωργοῖς μὲν πρᾶσις, οἷον δερμάτων ἢ καὶ πάσης ἐσθῆτος ἢ πλοκῆς ἢ πιλήσεως ἤ τινων ἄλλων τοιούτων, ξένοις δὲ ἀναγκαῖον ὠνεῖσθαι παρʼ ἄλλων κτωμένοις. καπηλείας δὲ τούτων ἢ κριθῶν ἢ πυρῶν εἰς ἄλφιτα νεμηθέντων, ἢ καὶ τὴν ἄλλην σύμπασαν τροφήν, ἀστοῖς μὲν καὶ τούτων δούλοις μήτε τις πωλείτω μήτε ὠνείσθω παρὰ τοιούτου μηδεὶς μηδενός, ἐν

can buy or sell to suit their requirements, and also of all utensils or goods which the farmers have for sale, such as skins or any kind of clothing or woven stuff or felt or any such material; and these the foreigners must obtain from others by purchase. But neither these goods, nor barley or wheat ground into flour, nor any other kind of foodstuff whatsoever, may be sold by way of retail trade to the citizens or their slaves,