The main source of information about the life and belief of Essenes is the detailed account contained in a work of the 1st century Jewish historiographer Josephus entitled The Jewish War written about 73-75 CE (War 2.119-161) and his shorter description in his Antiquities finished some 20 years later (Ant. 18.11 & 18-22). Claiming first hand knowledge (Life §§10-11), he refers to them by the name Essenoi and lists them as the followers of one of the three "choices" in "Jewish Philosophy'" (War 2.119) alongside the Pharisees and the Sadducees.
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