Diggins, John Patrick
W.W Norton, 1992
Buku Teks
Jarman, T.L., author
The Cresset Press, 1955
Buku Teks
Gibbon, Edwards
New York : The Modern Library, [t.th].
Buku Teks
Wolters, Oliver William, author
Oxford University Press, 1970
Buku Teks
Wolters, Oliver William, author
Lund Humphries, 1970
Buku Teks