Stenton, Doris Mary
Penguin Books, 1951
Buku Teks
Myers, Alec Reginald
Penguin Books, 1952
Buku Teks
Plumb, J.H. (John Harold), 1911-
Penguin Books , 1951
Buku Teks
Rowse, A.L. (Alfred Leslie), 1903-1997
The British Council, 1943
Buku Teks
Holdsworth, William, Sir
Methuen, 1938
Buku Teks