Burke, Edmund, 1729-1797, author
J.M.Dent & Sons, 1955
Buku Teks
Charles W. Eliot, edited
P. F. Collier & Son Corporation, 1959 ; 1969
Buku Referensi
Thompson, J.M., author
Basil Blackwell, 1955.
Buku Teks
Carlyle, Thomas, author
E.P. Dutton, 1955
Buku Teks
Laski, Harold J., author
George Allen and Unwin, 1946
Buku Teks