Srinivasan, S., author
1987
Buku Teks
George G. Harrap, 1939
Koleksi Publik
Taylor, A. J. P. (Alan John Percivale), 1906-1990
Harmondsworth Penguin Books 1976,
Buku Teks
Rowse, A.L.
Macmillan, 1950
Buku Teks
edited by Charles W. Eliot
P. F. Collier & Son Corporation, 1959 ; 1969
Buku Teks