Columbia subject headings:
Harvard subject headings:
Auschwitz (Concentration camp)--Registers.
Birkenau (Concentration camp)--Registers.
Romanies--Europe, Eastern--History--Sources.
Romanies--Nazi persecution--History--Sources.
World War, 1939-1945--Concentration camps--Poland--Registers.
Princeton subject headings:
Auschwitz (Concentration camp)--Registers.
Birkenau (Concentration camp)--Registers.
Romanies--Europe, Eastern--History--Sources.
Romanies--Nazi persecution--Registers.
World War, 1939-1945--Concentration camps--Poland--Registers.