Columbia subject headings:
Harvard subject headings:
Antisemitism--Germany--Frankfurt am Main--History--20th century.
Freund, Hermann, 1882-1944--Correspondence.
Jews--Germany--History--1933-1945.
Jews--Persecutions--Germany.
König, Willy, 1903-1963--Correspondence.
Persecution--Germany--Frankfurt am Main--History--20th century.
Pharmacologists--Germany--Correspondence.
Princeton subject headings:
Antisemitism--Germany--Frankfurt am Main--History--20th century.
Freund, Hermann, 1882-1944--Correspondence.
Jews--Germany--History--1933-1945.
König, Willy, 1903-1963--Correspondence.
Persecution--Germany--Frankfurt am Main--History--20th century.
Pharmacologists--Germany--Correspondence.