Churchill, Winston, Sir, 1874-1965, author
Wings Books, 1994
Buku Teks
Heartfield, James, author
Oxford University Press, 2017
eBooks
Bryant, Arthur
The Albatross MCMXL.VII, 1947
Buku Teks
Peter Brown, editor
Blackwell Publishing, 2007
Buku Teks
Orme, Nicholas.
Yale University Press, 1995
Buku Teks