RT Article T1 The Preaching of the First Crusade and the Persecutions of the Jews JF Medieval encounters VO 18 IS 1 SP 93 OP 135 A1 Shepkaru, Shmuel LA English PB Brill YR 2012 UL https://ixtheo.de/Record/1537615947 K1 First Crusade : Jewish persecutions : Muslims : Pope Urban II DO 10.1163/157006712X634576