Columbia subject headings:
Prisoners of war--Germany.
Prisoners' writings.
World War, 1939-1945--Caricatures and cartoons.
World War, 1939-1945--Prisoners and prisons.
Harvard subject headings:
Prisoners of war--Austria--Caricatures and cartoons.
Schwarz, Friedrich, 1921-
World War, 1939-1945--Prisoners and prisons, Austrian--Caricatures and cartoons.
Princeton subject headings:
Prisoners of war--Austria--Caricatures and cartoons.
Schwarz, Friedrich, 1921-
World War, 1939-1945--Prisoners and prisons, Austrian--Caricatures and cartoons.