Constantinople, Jews of, [26].
"Constitutio Judæorum," [497].
Controversies, between Jews and Christians, [105], [576], [598], [622].
between Jews and Mahometans, [111], [119].
Conversions, forced, of Jews to Christianity, [38] f., [48] f., [123], [176], [246], [300], [570].
prohibited by Gregory X, [635].
Conversions, forced, to Islam, [359] f., [451], [461].
Conversions to Judaism, [21], [61], [409], [440], [445], [516], [640] f.
Converts, Jewish, to Christianity, treatment of, [49] ff., [308] f.
Cordova, center of Judaism, [228] f.
contention in, for the rabbinate, [229] f., [238] ff.
seat of a Talmudic school, [210].
"Covenant of Omar," [87], [120], [145], [176] f.
Council (of the Church. See also under the individual cities):
Lateran, [400], [421], [498].
Lateran, the Fourth, [509]–[12].
of Avignon, [504].
of Béziers, [582].
of Buda, [614].
of Exeter, [645].
of Illiberis, [43].
of Mâcon, [39].
of Meaux, [171].
of Nice, [25].
of Orleans, [37].
of Oxford, [516].
of Paris, [40].
of Toledo, [49], [102].
of Vannes, [36].
of Vienna, [611] f.