Morison, Samuel Eliot, author
Little, Brown, 1955
Buku Teks
Keegan, William F., author
Oxford University Press, 2017
eBooks
Angle, Paul M.
Rand McNally , 1958
Buku Teks
Hubbard, L. Ron, 1911-1986, author
Bridge Publications, Inc., 2012
Buku Referensi
Defoe, Daniel, author
Noble and Noble, 1959
Buku Teks