Columbia subject headings:
Harvard subject headings:
Eugenics--Former communist countries.
Eugenics--Soviet Union.
People with disabilities--Crimes against--Former communist countries.
People with disabilities--Crimes against--Soviet Union.
World War, 1939-1945--Atrocities--Former communist countries.
World War, 1939-1945--Atrocities--Soviet Union
Princeton subject headings:
Eugenics--Former communist countries.
Eugenics--Soviet Union.
People with disabilities--Crimes against--Former communist countries.
People with disabilities--Crimes against--Soviet Union.
World War, 1939-1945--Atrocities--Former communist countries.
World War, 1939-1945--Atrocities--Soviet Union.