1998
Multimedia
edited for the Society of American Historians by Courtlandt Canby & Nancy E. Gross
New American Library, 1954
Buku Teks SO
Revill, J.C.
Longman, 1959
Buku Teks SO
London Chancellor Press 1999,
Buku Referensi
edited by Year
Oxford Paper, 1956
Buku Teks SO