Did Josephus use 1 Maccabees in Jewish War 1.31-56?

Few commentators seem willing to recognize Josephus’ indebtedness to 1 Maccabees in 1.31–56 where he gives a succinct account of the Hasmonean revolt and its aftermath. Noting the many disagreements here with 1 Maccabees, they conclude that Josephus had been entirely dependent on other sources, usually Nicolaus of Damascus. The present article seeks to challenge this apparent consensus. The many agreements between 1.31–56 and 1 Maccabees—especially with respect to the events which Josephus chooses to record and the order in which he arranges them—constitute strong positive evidence that Josephus was using 1 Maccabees as his primary source. Most disagreements can be seen as his redactions of 1 Maccabees, even if some are a bit puzzling and others do, in fact, suggest that he used other sources in addition. His use of other sources seems minimal, in any case, being limited to the beginning and end of his narrative. His use of Nicolaus cannot be ruled out completely but seems unlikely.