Columbia subject headings:
Historians--France--Biography.
Isaac, Jules, 1877-1963.
Harvard subject headings:
Christianity and other religions--Judaism
Isaac, Jules, 1877-1963
Jewish historians--France--Biography.
Judaism--Relations--Christianity
Princeton subject headings:
Christianity and other religions--Judaism.
Historians--France--Biography.
Isaac, Jules, 1877-1963.
Jewish historians--France--Biography.
Jews--France--Biography.
Judaism--Relations--Christianity.