Columbia subject headings:
Harvard subject headings:
National socialism.
Romanies--Austria--Lackenbach--History.
Romanies--Nazi persecution--Austria--Lackenbach.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Concentration camps--Austria--Lackenbach.
Princeton subject headings:
National socialism.
Romanies--Austria--Lackenbach--History.
Romanies--Nazi persecution--Austria--Lackenbach.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Concentration camps--Austria--Lackenbach.