Columbia subject headings:
Harvard subject headings:
Boix, Francisco, 1920-1951.
Mauthausen (Concentration camp)
Mauthausen (Concentration camp)--Pictorial works.
Photographers--Spain--Biography
Prisoners of war--Germany--Biography
Prisoners of war--Spain--Biography
World War, 1939-1945--Atrocities--Austria--Mauthausen--Pictorial works.
World War, 1939-1945--Atrocities--Austria--Mauthausen.
Princeton subject headings:
Boix, Francisco, 1920-1951.
Mauthausen (Concentration camp)
Mauthausen (Concentration camp)--Pictorial works.
Photographers--Spain--Biography.
Prisoners of war--Germany--Biography.
Prisoners of war--Spain--Biography.