=Converts to Judaism.= _See_ Circumcision; Conversions to Judaism; Proselytes. =Copenhagen=, the Jews of, persecuted, =5=, 531. =Copia, Sarah.= _See_ Sullam, Sarah Copia. =Copia, Simon=, father of Sarah Sullam, =5=, 69. =Coponius=, first procurator of Judæa, =2=, 129. administration of, =2=, 135. =Cordova=, ancient gateway in, =3=, 42. Jews masters of, =3=, 109. seat of a Talmud school, =3=, 210, 228, 236. birthplace of Samuel Ibn-Nagrela, =3=, 255. taken by Suleiman, =3=, 255, 262. medical school at, =3=, 261. home of the Albalias, =3=, 283. synagogues of, destroyed, =3=, 360. Talmud school of, destroyed, =3=, 384. taken by the Almohades, =3=, 447-8. the Inquisition in, =4=, 325. Jews disappear from, =4=, 354. exiles from, form a congregation in Constantinople, =4=, 402. disturbance in, caused by the Inquisition, =4=, 484. autos-da-fé in, =5=, 91, 92. =Cordova, the Jews of=, ransom Moses ben Chanoch, =3=, 209. choose him as their rabbi, =3=, 209. appeal to Abdul-Rahman III, =3=, 209-10. Chasdaï Ibn-Shaprut political chief of, =3=, 217. prosperity of, =3=, 229. side against Joseph Ibn-Abitur, =3=, 238. Jacob Ibn-Jau chief of, =3=, 239. emigrate, =3=, 255. murdered in 1391, =4=, 169. =Cordova, the Marranos of=, attacked, =4=, 281-2. flee to Granada, =4=, 351. =Corfu=, the Spanish exiles in, =4=, 363-4. Isaac Abrabanel at, =4=, 384. rites of the Jews of, followed in Greece, =4=, 406. Nathan Ghazati at, =5=, 160. honors shown to Crémieux in, =5=, 668. =Corinth=, Judæans in, =2=, 203. Paul establishes a Christian community in, =2=, 228. the Jews of, in the twelfth century, =3=, 424. =Cornelianus, Atidius=, governor of Syria, defeated by the Parthians, =2=, 447. =Cornelius=, Judæan envoy to Claudius, =2=, 197-8. =Coronel=, baptismal name of Abraham Senior’s family, =4=, 351. =Coronel, David Senior=, Marrano in Pernambuco, =4=, 693. =Coronello=, Joseph Nassi’s deputy, =4=, 597. =Correa, Isabel=, Marrano poetess, =5=, 114. “=Correction= of the False Teacher,” by Isaac Nathan ben Kalonymos, =4=, 234. =Cosmas=, bishop of Prague, protects the Jews during the first crusade, =3=, 305, 307. =Cossacks=, the, origin and independence of, =5=, 2. efforts to convert, =5=, 2-3. highly taxed, =5=, 3. Jews further the enslavement of, =5=, 6. insurrections of, =5=, 6, 7. organized into Haidamak troops, =5=, 8. massacres of the Jews by, =5=, 9-12. make peace with the Poles, =5=, 12. attack the Jews, =5=, 14, 15. second treaty with, =5=, 14. losses inflicted upon the Jews by, =5=, 15. persecutions by, influence Judaism, =5=, 16-17. ravages of, in Poland, =5=, 388. =Costa, Duarte Nuñes da=, Portuguese agent in Hamburg, =4=, 692. =Costa, Emanuel da=, Marrano, martyrdom of, =4=, 520-1.