Haï Gaon, [250]–[3].
character of, [250].
compared with Saadiah, [250].
death of, [253].
friendly relations of, to the Christian patriarch, [250].
influence of, [252].
learning of, [250].
opinion of, on mysticism, [251] f.
systematic methods of, [251].
Hakim, caliph of Egypt, [247] f.
Hamadan, Jewish congregation of, [434].
Hariri of Basra, Arabian poet, [318].
Harith Ibn-Abu Shammir, treachery of, [68].
Haroun Alrashid, embassy of Charlemagne to, [143].
re-enacts Omar's laws, [145].
Head-dress imposed on Jews, [612].
Hebrew language, cultivation of, among Jews, [111] f.
among Christians, [579], [622].
Hebrew philology, [225], [561].
Hejira, [73].