=Intermarriages=, between the heathen and the Israelites, =1=, 56-7. between the Judæans and the Samaritans, =1=, 361-2, 383. with Ammonites and Moabites prohibited, =1=, 362. Ezra on, with the heathen, =1=, 367-9. law against, expounded by Ezra, =1=, 380. dissolved by Nehemiah, =1=, 386. between Jews and Christians forbidden by Constantius, =2=, 567. forbidden by the Council of Illiberis, =2=, 620. in Gaul, =3=, 36. between the Vangioni and Jewish women, =3=, 41. in Spain in the sixth century, =3=, 44. prohibited by the Council of Toledo and Reccared, =3=, 46. between Jews and Arabs, =3=, 56-7. supposed to be prevented by Jew badges, =3=, 511. in Hungary, =3=, 521. in southern Spain, =3=, 527. denounced by Moses of Coucy, =3=, 546. prohibited by the code of Alfonso X, =3=, 595. objected to by the Remonstrants, =4=, 674. discussed by the Assembly of Jewish Notables, =5=, 489, 491. discussed by the French Synhedrion, =5=, 496-7. permitted in Mecklenburg, =5=, 507. “=Investigation= into the Evidences of Christianity against Unbelievers,” by Caspar Bonnet, =5=, 309. “=Investigation= of Religion, The,” by Elias del Medigo, =4=, 293. “=Investigation= of Van Swieden’s Work in Reference to the Civil Rights of the Jews,” by Friedrichsfeld, =5=, 454. =Ionians=, the, buy Judæans as slaves, =1=, 227. =Ipsus=, battle of, =1=, 417. =Irak=, name for Babylonia among the Arabs, =3=, 89. divided in jurisdiction between Sora and Pumbeditha, =3=, 98. _See_ Babylonia. =Isaac=, ambassador from Simon II to Nahar-Pakod, =2=, 443-4. =Isaac=, father of Chasdaï Ibn-Shaprut, patron of men of letters, =3=, 216, 224. =Isaac=, the Jew attached to Charlemagne’s embassy to Haroun Alrashid, =3=, 143. =Isaac.= _See_ Mar-Isaac. =Isaac of Accho=, Kabbalist, at the siege of Accho, =3=, 650. suspicious of the authenticity of the Zohar, =4=, 20. =Isaac the Blind= (1190-1210), founder of the Kabbala, doctrines and disciples of, =3=, 547-8. =Isaac the Elder.= _See_ Isaac ben Samuel. =Isaac de Leon=, last rabbi of Toledo, disciple of, =4=, 392. =Isaac of Mayence=, repentant, apostate, =3=, 303. =Isaac of Salzuflen=, refused the right of settlement in Hamburg, =4=, 685-6. =Isaac of Vienna=, disciple of Judah Sir Leon, =3=, 409. =Isaac the Younger.= _See_ Isaac ben Abraham. =Isaac ben Joseph=, Palestinian Amora, banished from Judæa, =2=, 567. =Isaac ben Abba-Mari=, Talmudist, =3=, 399-400. =Isaac ben Abraham= (Rizba, the Younger), Tossafist, =3=, 408. =Isaac ben Abraham Akrish= (1489-1575), Spanish exile, wanderings of, =4=, 386. =Isaac ben Abraham Ibn-Ezra=, accompanies his father on his journeys, =3=, 369, 375. apostate to Islam, =3=, 442. =Isaac ben Abraham Ibn-Latif= (1220-1290), Kabbalist, system of, =4=, 3-4.