Columbia subject headings:
Harvard subject headings:
National socialism--Germany--Ravensburg.
Prisoners of war--Germany--History--20th century
Romani Genocide, 1939-1945
Romanies--Germany--Ravensburg--History--20th century.
Romanies--Germany--Social conditions--20th century.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Concentration camps--Germany--Ravensburg.
Princeton subject headings:
National socialism--Germany--Ravensburg.
Prisoners of war--Germany--History--20th century.
Romani Genocide, 1939-1945.
Romanies--Germany--Ravensburg--History--20th century.
Romanies--Germany--Social conditions--20th century.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Concentration camps--Germany--Ravensburg.