Carlyle, Thomas
E.P. Dutton, 1955
Buku Teks
Salvemini, Gaetano
W.W. Norton & Company, 1962
Buku Teks
Gershoy, Leo
Appleton Century Crofts, 1938
Buku Teks
Doyle, William
Oxford University Press , 1989
Buku Teks
Roberts, J.M.
Oxford University Press , 1978
Buku Teks