Columbia subject headings:
Romani Genocide, 1939-1945--Europe, Eastern.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Conscript labor.
World War, 1939-1945--Prisoners and prisons, German.
Harvard subject headings:
Romanies--Nazi persecution--Europe, Eastern.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Conscript labor.
World War, 1939-1945--Prisoners and prisons, German.
Princeton subject headings:
Romanies--Germany--History.
Romanies--Nazi persecution--Germany.
World War, 1939-1945--Concentration camps--Germany.