Columbia subject headings:
Christian converts from Judaism--Germany, Northern--History--Congresses.
Germany, Northern--Ethnic relations--History--Congresses.
Germany, Northern--Religion--Congresses.
Jews--Conversion to Christianity--Germany, Northern--History--Congresses.
Jews--Germany, Northern--History--Congresses.
Harvard subject headings:
Antisemitism--Germany--Congresses.
Christian converts from Judaism--Germany--Congresses.
Jews--Germany--Social conditions--Congresses.
Princeton subject headings:
Antisemitism--Germany--Congresses.
Christian converts from Judaism--Germany--Congresses.
Jews--Germany--Social conditions--Congresses.