Columbia subject headings:
Escapes--History--20th century.
World War, 1939-1945--Prisoners and prisons.
World War, 1939-1945--Secret service--United States.
Harvard subject headings:
Escapes--History--20th century.
World War, 1939-1945--Prisoners and prisons.
World War, 1939-1945--Secret service--United States.
Princeton subject headings:
Escapes--History--20th century.
World War, 1939-1945--Prisoners and prisons.
World War, 1939-1945--Secret service--United States.