Arthur Ernest Cowley, 1911 Encyclopædia Britannica (1911)
“ In religion, since they recognize no sacred book but the Pentateuch, they agree with the Jews in such doctrines and observances only as are enjoined in the law of Moses. They do not therefore observe the feast of Purim, nor the fast of the 9th of Ab, nor any of the later rabbinical extensions or modifications of the law. ”
