Columbia subject headings:
Harvard subject headings:
Ruhr Pocket, Battle of the, Germany, 1945.
World War, 1939-1945--Campaigns--Germany.
World War, 1939-1945--Germany--Propaganda.
Princeton subject headings:
Ruhr Pocket, Battle of the, Germany, 1945.
World War, 1939-1945--Campaigns--Germany.
World War, 1939-1945--Germany--Propaganda.