Frederick I (the Valiant) of Austria, favorable to the Jews, [567] f.
statute of, for the protection of the Jews, [568].

Frederick II, German emperor, [565][9].
confines the Jews to a ghetto, [567].
draws Jewish scholars to his court, [565].
edict of, against the Jews of Austria, [569].
enmity of, against the Jews, [567] ff.
in feud with Gregory IX, [567], [580].
scepticism of, [567].

Frederick Barbarossa, makes free Jews "servi cameræ," [416] f.
protects the Jews, [418].

Fulko de Neuilly, preaches against the Jews, [405].

Galen, [473].

Gaon and Exilarch, positions of, compared, [93].

Gaonate (see also under [Geonim)]:
decay of, [231][4].
extinction of, [253] f.
origin of, [90].
relations of, to the Exilarchate, [90], [137] f.

Gaonic period, study of the Talmud in the, [128].

Gascony, Jews of, expelled, [646].

Gebirol, Solomon Ibn-, [265][80].
childhood of, [265].
death of, [280] f.
driven out from Saragossa, [268].
facility of muse of, [265], [267].
friend of Yekutiel Ibn-Hassan, [266].
Jewish Plato, [265].
legend about death of, [281].
melancholy of, [265] f.
philosophy of, [267], [269][71].
philosophy of, among Christians, [644].
poetical forms of, [301].
protected by Samuel Nagrela, [268].
versatility of, [267].
works of, translated, [503].