Columbia subject headings:
Harvard subject headings:
Concentration camps--Europe--Pictorial works.
Holocaust, Jewish (1939-1945)--Pictorial works
Treblinka (Concentration camp)
World War, 1939-1945--Atrocities--Pictorial works.
World War, 1939-1945--Concentration camps--Poland.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Pictorial works.
Nazi concentration camps--Europe--Pictorial works.
Treblinka (Concentration camp)
World War, 1939-1945--Atrocities--Pictorial works.
World War, 1939-1945--Concentration camps--Poland.