Flavius Josephus, Antiquities of the Jews
William Whiston, A.M., Ed.

[335] Now as for Judas Maccabeus, and his brother Jonathan, they passed over the river Jordan; and when they had gone three days journey, they lighted upon the Nabateans, who came to meet them peaceably, and who told them how the affairs of those in the land of Gilead stood; and how many of them were in distress, and driven into garrisons, and into the cities of Galilee; and exhorted him to make haste to go against the foreigners, and to endeavor to save his own countrymen out of their hands. To this exhortation Judas hearkened, and returned to the wilderness; and in the first place fell upon the inhabitants of Bosor, and took the city, and beat the inhabitants, and destroyed all the males, and all that were able to fight, and burnt the city. Nor did he stop even when night came on, but he journeyed in it to the garrison where the Jews happened to be then shut up, and where Timotheus lay round the place with his army. And Judas came upon the city in the morning; and when he found that the enemy were making an assault upon the walls, and that some of them brought ladders, on which they might get upon those walls, and that others brought engines [to batter them], he bid the trumpeter to sound his trumpet, and he encouraged his soldiers cheerfully to undergo dangers for the sake of their brethren and kindred; he also parted his army into three bodies, and fell upon the backs of their enemies. But when Timotheus's men perceived that it was Maccabeus that was upon them, of both whose courage and good success in war they had formerly had sufficient experience, they were put to flight; but Judas followed them with his army, and slew about eight thousand of them. He then turned aside to a city of the foreigners called Malle, and took it, and slew all the males, and burnt the city itself. He then removed from thence, and overthrew Casphom and Bosor, and many other cities of the land of Gilead.