Resh Galutha. See [Exilarch].

Revival of science among the Arabs, [146].
part taken in, by Jews, [146].

Rhabanus Maurus taught by Jews, [162] f.

Rhine district, origin of Jews of, [40] f.

Ri, [403].

Riba, Tossafist, [345].

Riban, Tossafist, [345].

Richard the Lion-hearted, first persecution of the Jews in England occurs at coronation of, [410] f.
protects the Jews, [411].
truce of, with Saladin, [405].

Rizba, [408].

Robert de Redingge, Dominican, converted to Judaism, [640] f.