RT Dictionary entry/article T1 Ibn Ghiyyāth (Ibn Ghayyāth), Isaac ben Judah JF Encyclopedia of Jews in the Islamic World A1 Alfonso, Esperanza LA English PB Brill YR 2010 UL https://www.ixtheo.de/Record/1838035001 DO 10.1163/1878-9781_ejiw_COM_0010580