Columbia subject headings:
Harvard subject headings:
Aktion T4 (Germany)--History.
Euthanasia--Austria--Neudörfl--History--20th century.
Euthanasia--Austria--Wiener Neustadt--History--20th century.
Involuntary sterilization--Austria--Neudörfl--History--20th century.
Involuntary sterilization--Austria--Wiener Neustadt--History--20th century.
National socialism and medicine--Austria--Neudörfl--History--20th century.
National socialism and medicine--Austria--Wiener Neustadt--History--20th century.
National socialism--Moral and ethical aspects.
People with disabilities--Nazi persecution--Austria--Neudörfl--History--20th century.
People with disabilities--Nazi persecution--Austria--Wiener Neustadt--History--20th century.
World War, 1939-1945--Atrocities--Austria--Neudörfl.
World War, 1939-1945--Atrocities--Austria--Wiener Neustadt.
Princeton subject headings:
Euthanasia--Austria--Burgenland.
Euthanasia--Austria--Wiener Neustadt.
National socialism and medicine.