Columbia subject headings:
Harvard subject headings:
Christianity and other religions--Judaism
Christianity and other religions--Judaism--Congresses
Conversion--Judaism--History.
Jews--Conversion to Christianity--Congresses.
Judaism--Relations--Christianity
Judaism--Relations--Christianity--Congresses
Princeton subject headings:
Christianity and other religions--Judaism--Congresses.
Jews--Conversion to Christianity--Congresses.
Judaism--Relations--Christianity--Congresses.