Columbia subject headings:
Harvard subject headings:
Grüninger, Paul Ernst, 1891-1971.
Jewish refugees--Switzerland.
Jews--Switzerland.
Switzerland--Ethnic relations.
Princeton subject headings:
Antisemitism--Switzerland--History--20th century.
Grüninger, Paul, 1891-
Jewish refugees--Switzerland.
Jews--Switzerland--History--20th century.
Switzerland--Ethnic relations.
Switzerland--History--20th century.