Gardner, Thomas J., 1800-1850
Wadsworth and Cengage Learning, 2012
Buku Teks
Ratner, David L.
West Publishing, 1996
Buku Teks
Hall, Livingston
West Publishing, 1958
Buku Teks
Hall, Livingston
West Publishing, 1965
Buku Teks
Hall, Livingston
West Publishing, 1966
Buku Teks