Mathias, Peter
Methuen , 1979
Buku Teks
Chesterton, G. K. (Gilbert Keith), 1874-1936, author
Chatto , 1951
Buku Teks
Trevelyan, George Macaulay, 1876-1962, author
Longmans, Green, 1945
Buku Teks
Ramsey, Peter H.
Metheun & Co. Ltd., 1971
Buku Teks
edited by Peter Childs, Mike Storry
Routledge, 1999
Buku Referensi