Blake, Peter
Birkhauser Verlag, 1996
Buku Teks
Roberts, S.C.
Longmans, Green, 1965
Buku Teks SO
Arms, Karen
Saunders College, 1982
Buku Teks
Goodwin, Doris Kearns
St. Martin`s Griffin, 1991
Buku Teks SO
Boswell, James, 1740-1795
Everyman`s Library, 1996
Buku Referensi