Columbia subject headings:
Romani Genocide, 1939-1945--Soviet Union.
Romanies--Soviet Union--History.
World War, 1939-1945--Atrocities--Soviet Union.
Harvard subject headings:
Romanies--Crimes against--Soviet Union--History--20th century.
Romanies--Nazi persecution--Soviet Union.
Soviet Union--History--German occupation, 1941-1944.
World War, 1939-1945--Atrocities--Soviet Union.
Princeton subject headings:
Romanies--Nazi persecution--Soviet Union.
Romanies--Soviet Union--History.
World War, 1939-1945--Atrocities--Soviet Union.