Yadin, Daniel L., author
Crest, 2001
Buku Teks
Moriarty, Sandra E. (Sandra Ernst), author
Prentice Hall International, 1991
Buku Teks
Hotchkiss, George Burton, author
Macmillan, 1950
Buku Teks
Hotchkiss, George Burton, author
Alexander Hamilton Institute , 1961
Buku Teks
Wells, William D., author
Prentice-Hall, 2000
Buku Teks