edited by Boris Ford
Penguin Books, 1955
Buku Teks
Doren, Mark van, author
Doubleday , 1955
Buku Teks
Trevelyan, George Macaulay, 1876-1962, author
Longmans, Green, 1950
Buku Teks
edited by J.V. Cunningham
Fawcett Publications, 1970
Buku Teks
Mcevoy, Sean, author
Routledge, 2006
Buku Teks