Columbia subject headings:
Jewish musicians--Italy--Correspondence.
Jewish musicians--Italy--History--20th century.
Jews--Legal status, laws, etc.--Italy--History--20th century.
Jews--Persecutions--Italy--History--20th century.
Nazi concentration camps--Italy--History--20th century.
Prisoners--Italy--History--20th century.
Sonnenfeld, Kurt, 1921-1997--Correspondence.
Harvard subject headings:
Concentration camps--Italy--History--20th century.
Jewish musicians--Italy--Correspondence.
Jewish musicians--Italy--History--20th century.
Jews--Legal status, laws, etc.--Italy--History--20th century.
Jews--Persecutions--Italy--History--20th century.
Prisoners--Italy--History--20th century.
Sonnenfeld, Kurt, 1921---Correspondence.
Princeton subject headings:
Fascism and music--Italy.
Internment camps--Italy--History--20th century.
Jewish musicians--Italy--Correspondence.
Jewish musicians--Italy--History--20th century.
Jews--Legal status, laws, etc.--Italy--History--20th century.
Jews--Persecutions--Italy--History--20th century.
Prisoners--Italy--History--20th century.
Sonnenfeld, Kurt, 1921-1997--Correspondence.