Columbia subject headings:
Musicians, Romani--Germany--History--20th century.
National socialism and music.
Romani Genocide, 1939-1945.
Harvard subject headings:
Musicians, Romani--Germany--History--20th century.
National socialism and music.
Romani Genocide, 1939-1945
Princeton subject headings:
Music--20th century--History.
Musicians, Romani--History--20th century.
National socialism and music.
Romani Genocide, 1939-1945.