Columbia subject headings:
Harvard subject headings:
Concentration camps--Austria--Hartheim--History.
Euthanasia--Austria--Hartheim--History--20th century.
National socialism and medicine--Austria--Hartheim.
People with disabilities--Nazi persecution--Austria--Hartheim.
Schloss Hartheim (Austria)
Schloss Hartheim (Austria)--History.
World War, 1939-1945--Atrocities.
Princeton subject headings:
Euthanasia--Austria--Hartheim--History--20th century.
National socialism and medicine--Austria--Hartheim.
People with disabilities--Nazi persecution--Austria--Hartheim.
Schloss Hartheim (Austria)
World War, 1939-1945--Atrocities.