Columbia subject headings:
Harvard subject headings:
Mauthausen (Concentration camp)--Exhibitions.
World War, 1939-1945--Atrocities--Austria--Mauthausen--Exhibitions.
World War, 1939-1945--Concentration camps--Austria--Exhibitions.
World War, 1939-1945--Prisoners and prisons, Spanish--Exhibitions.
Princeton subject headings:
Mauthausen (Concentration camp)--Exhibitions.
World War, 1939-1945--Atrocities--Austria--Mauthausen--Exhibitions.
World War, 1939-1945--Concentration camps--Austria--Exhibitions.
World War, 1939-1945--Prisoners and prisons, Spanish--Exhibitions.