Churchill, Winston, Sir, 1874-1965, author
Simon and Schuster, 1946
Buku Teks
Thiesmeyer, Lincoln R.
Little, Brown and Company, 1947
Buku Teks
Simon and Schuster , 1945
Buku Teks
Fredericks, Pierce, author
E.P. Dutton, 1960
Buku Teks
Freidel, Frank, author
McGraw-Hill, 1990
Buku Teks