Easton, Stewart C., author
The Western heritage
Holt, Rinehart and Winston, 1966
Buku Teks
Elliott, William Y., author
Western political heritage
Prentice-Hall, 1950
Buku Teks
Western political heritage
Buku Teks
Heritage of Western civilization selected readings edited by John Louis Beatty, Oliver A. Johnson
Prentice-Hall, 1966
Buku Teks
Wallace, Catherine, author
Reading
1992
Buku Teks