Columbia subject headings:
Mauthausen (Concentration camp)
Music--Poland--History and criticism.
Polish poetry--20th century--History and criticism.
Prisoners' writings, Polish--History and criticism.
World War, 1939-1945--Literature and the war.
World War, 1939-1945--Music and the war.
Harvard subject headings:
Mauthausen (Concentration camp)
Music--Poland--History and criticism.
Polish poetry--20th century--History and criticism.
Prisoners' writings, Polish--History and criticism.
World War, 1939-1945--Literature and the war.
World War, 1939-1945--Music and the war.
Princeton subject headings:
Poetry.
World War, 1939-1945--Concentration camps--Austria.
World War, 1939-1945--Poetry.
World War, 1939-1945--Prisoners and prisons, German.