edited by Jack P. Greene, J.R. Pole
Blackwell , 1994
Buku Referensi
Artikel Jurnal
edited by Edmund S. Morgan
Prentice-Hall, 1965
Buku Teks
Baur, John I.H. (John Ireland Howe), 1909-1987, author
Harvard University Press, 1951
Buku Teks
Graham, Malbone W.
Johns Hopkins Press, 1948
Buku Teks