Wilsey, John D., author
IVP Academic, 2015
Buku Teks
Schudson, Michael
New York The Free Press 1998,
Buku Teks
Quinn, Arthur Hobson, author
Irvington Publishers, 1943
Buku Teks
Catton, Bruce, author
Dell Publishing, 1960
Buku Teks
Ketchum, Richard M., author
American Heritage Publishing, 1960
Buku Teks